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Finding the Fourth Proportional to 607,962.69, 838,553.31 and 426,715.11

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Solution

The fourth proportional to 607,962.69, 838,553.31 and 426,715.11 is: 588,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,962.69 : 838,553.31 = 426,715.11 : x
  2. Step 2: Convert to fraction form
    607,962.69/838,553.31 = 426,715.11/x
  3. Step 3: Cross multiply
    607,962.69x = 838,553.31 × 426,715.11
  4. Step 4: Simplify right side
    607,962.69x = 357,823,367,917.51
  5. Step 5: Solve for x
    x = 357,823,367,917.51/607,962.69
  6. Step 6: Final answer
    x = 588,561.39

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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.