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Finding the Fourth Proportional to 708,385.68, 977,572.98 and 386,096.04

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Solution

The fourth proportional to 708,385.68, 977,572.98 and 386,096.04 is: 532,812.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,385.68 : 977,572.98 = 386,096.04 : x
  2. Step 2: Convert to fraction form
    708,385.68/977,572.98 = 386,096.04/x
  3. Step 3: Cross multiply
    708,385.68x = 977,572.98 × 386,096.04
  4. Step 4: Simplify right side
    708,385.68x = 377,437,056,389.00
  5. Step 5: Solve for x
    x = 377,437,056,389.00/708,385.68
  6. Step 6: Final answer
    x = 532,812.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.