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Finding the Fourth Proportional to 573,053.10, 859,968.45 and 372,885.90

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Solution

The fourth proportional to 573,053.10, 859,968.45 and 372,885.90 is: 559,581.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,053.10 : 859,968.45 = 372,885.90 : x
  2. Step 2: Convert to fraction form
    573,053.10/859,968.45 = 372,885.90/x
  3. Step 3: Cross multiply
    573,053.10x = 859,968.45 × 372,885.90
  4. Step 4: Simplify right side
    573,053.10x = 320,670,109,449.86
  5. Step 5: Solve for x
    x = 320,670,109,449.86/573,053.10
  6. Step 6: Final answer
    x = 559,581.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.