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Finding the Fourth Proportional to 559,069.70, 838,604.55 and 525,827.30

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Solution

The fourth proportional to 559,069.70, 838,604.55 and 525,827.30 is: 788,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,069.70 : 838,604.55 = 525,827.30 : x
  2. Step 2: Convert to fraction form
    559,069.70/838,604.55 = 525,827.30/x
  3. Step 3: Cross multiply
    559,069.70x = 838,604.55 × 525,827.30
  4. Step 4: Simplify right side
    559,069.70x = 440,961,166,294.22
  5. Step 5: Solve for x
    x = 440,961,166,294.22/559,069.70
  6. Step 6: Final answer
    x = 788,740.95

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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.