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Finding the Fourth Proportional to 619,482.61, 853,293.16 and 437,882.34

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Solution

The fourth proportional to 619,482.61, 853,293.16 and 437,882.34 is: 603,151.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,482.61 : 853,293.16 = 437,882.34 : x
  2. Step 2: Convert to fraction form
    619,482.61/853,293.16 = 437,882.34/x
  3. Step 3: Cross multiply
    619,482.61x = 853,293.16 × 437,882.34
  4. Step 4: Simplify right side
    619,482.61x = 373,642,002,908.25
  5. Step 5: Solve for x
    x = 373,642,002,908.25/619,482.61
  6. Step 6: Final answer
    x = 603,151.72

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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.