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Finding the Fourth Proportional to 569,851.29, 789,990.93 and 539,515.17

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Solution

The fourth proportional to 569,851.29, 789,990.93 and 539,515.17 is: 747,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,851.29 : 789,990.93 = 539,515.17 : x
  2. Step 2: Convert to fraction form
    569,851.29/789,990.93 = 539,515.17/x
  3. Step 3: Cross multiply
    569,851.29x = 789,990.93 × 539,515.17
  4. Step 4: Simplify right side
    569,851.29x = 426,212,090,897.41
  5. Step 5: Solve for x
    x = 426,212,090,897.41/569,851.29
  6. Step 6: Final answer
    x = 747,935.64

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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.