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Finding the Fourth Proportional to 429,017.76, 592,044.60 and 238,030.70

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Solution

The fourth proportional to 429,017.76, 592,044.60 and 238,030.70 is: 328,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,017.76 : 592,044.60 = 238,030.70 : x
  2. Step 2: Convert to fraction form
    429,017.76/592,044.60 = 238,030.70/x
  3. Step 3: Cross multiply
    429,017.76x = 592,044.60 × 238,030.70
  4. Step 4: Simplify right side
    429,017.76x = 140,924,787,609.00
  5. Step 5: Solve for x
    x = 140,924,787,609.00/429,017.76
  6. Step 6: Final answer
    x = 328,482.41

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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.