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Finding the Fourth Proportional to 373,302.30, 559,953.45 and 233,139.90

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Solution

The fourth proportional to 373,302.30, 559,953.45 and 233,139.90 is: 349,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,302.30 : 559,953.45 = 233,139.90 : x
  2. Step 2: Convert to fraction form
    373,302.30/559,953.45 = 233,139.90/x
  3. Step 3: Cross multiply
    373,302.30x = 559,953.45 × 233,139.90
  4. Step 4: Simplify right side
    373,302.30x = 130,547,491,337.66
  5. Step 5: Solve for x
    x = 130,547,491,337.66/373,302.30
  6. Step 6: Final answer
    x = 349,709.85

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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.