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Finding the Fourth Proportional to 572,346.55, 789,841.29 and 357,611.14

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Solution

The fourth proportional to 572,346.55, 789,841.29 and 357,611.14 is: 493,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,346.55 : 789,841.29 = 357,611.14 : x
  2. Step 2: Convert to fraction form
    572,346.55/789,841.29 = 357,611.14/x
  3. Step 3: Cross multiply
    572,346.55x = 789,841.29 × 357,611.14
  4. Step 4: Simplify right side
    572,346.55x = 282,456,044,135.97
  5. Step 5: Solve for x
    x = 282,456,044,135.97/572,346.55
  6. Step 6: Final answer
    x = 493,505.28

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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.