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Finding the Fourth Proportional to 650,587.20, 975,880.80 and 251,246.40

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Solution

The fourth proportional to 650,587.20, 975,880.80 and 251,246.40 is: 376,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,587.20 : 975,880.80 = 251,246.40 : x
  2. Step 2: Convert to fraction form
    650,587.20/975,880.80 = 251,246.40/x
  3. Step 3: Cross multiply
    650,587.20x = 975,880.80 × 251,246.40
  4. Step 4: Simplify right side
    650,587.20x = 245,186,537,829.12
  5. Step 5: Solve for x
    x = 245,186,537,829.12/650,587.20
  6. Step 6: Final answer
    x = 376,869.60

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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.