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Finding the Fourth Proportional to 478,234.08, 716,563.78 and 334,154.52

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Solution

The fourth proportional to 478,234.08, 716,563.78 and 334,154.52 is: 500,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,234.08 : 716,563.78 = 334,154.52 : x
  2. Step 2: Convert to fraction form
    478,234.08/716,563.78 = 334,154.52/x
  3. Step 3: Cross multiply
    478,234.08x = 716,563.78 × 334,154.52
  4. Step 4: Simplify right side
    478,234.08x = 239,443,025,955.29
  5. Step 5: Solve for x
    x = 239,443,025,955.29/478,234.08
  6. Step 6: Final answer
    x = 500,681.65

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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.