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Finding the Fourth Proportional to 569,858.80, 790,001.34 and 539,522.68

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Solution

The fourth proportional to 569,858.80, 790,001.34 and 539,522.68 is: 747,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,858.80 : 790,001.34 = 539,522.68 : x
  2. Step 2: Convert to fraction form
    569,858.80/790,001.34 = 539,522.68/x
  3. Step 3: Cross multiply
    569,858.80x = 790,001.34 × 539,522.68
  4. Step 4: Simplify right side
    569,858.80x = 426,223,640,160.39
  5. Step 5: Solve for x
    x = 426,223,640,160.39/569,858.80
  6. Step 6: Final answer
    x = 747,946.05

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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.