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Finding the Fourth Proportional to 429,673.74, 592,929.64 and 238,698.78

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Solution

The fourth proportional to 429,673.74, 592,929.64 and 238,698.78 is: 329,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,673.74 : 592,929.64 = 238,698.78 : x
  2. Step 2: Convert to fraction form
    429,673.74/592,929.64 = 238,698.78/x
  3. Step 3: Cross multiply
    429,673.74x = 592,929.64 × 238,698.78
  4. Step 4: Simplify right side
    429,673.74x = 141,531,581,693.84
  5. Step 5: Solve for x
    x = 141,531,581,693.84/429,673.74
  6. Step 6: Final answer
    x = 329,393.14

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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.