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Finding the Fourth Proportional to 569,890.04, 790,044.75 and 539,553.92

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Solution

The fourth proportional to 569,890.04, 790,044.75 and 539,553.92 is: 747,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,890.04 : 790,044.75 = 539,553.92 : x
  2. Step 2: Convert to fraction form
    569,890.04/790,044.75 = 539,553.92/x
  3. Step 3: Cross multiply
    569,890.04x = 790,044.75 × 539,553.92
  4. Step 4: Simplify right side
    569,890.04x = 426,271,739,140.15
  5. Step 5: Solve for x
    x = 426,271,739,140.15/569,890.04
  6. Step 6: Final answer
    x = 747,989.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.