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Finding the Fourth Proportional to 650,601.70, 975,902.55 and 611,203.30

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Solution

The fourth proportional to 650,601.70, 975,902.55 and 611,203.30 is: 916,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,601.70 : 975,902.55 = 611,203.30 : x
  2. Step 2: Convert to fraction form
    650,601.70/975,902.55 = 611,203.30/x
  3. Step 3: Cross multiply
    650,601.70x = 975,902.55 × 611,203.30
  4. Step 4: Simplify right side
    650,601.70x = 596,474,859,038.42
  5. Step 5: Solve for x
    x = 596,474,859,038.42/650,601.70
  6. Step 6: Final answer
    x = 916,804.95

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.