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Finding the Fourth Proportional to 429,420.60, 592,589.04 and 238,429.08

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Solution

The fourth proportional to 429,420.60, 592,589.04 and 238,429.08 is: 329,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,420.60 : 592,589.04 = 238,429.08 : x
  2. Step 2: Convert to fraction form
    429,420.60/592,589.04 = 238,429.08/x
  3. Step 3: Cross multiply
    429,420.60x = 592,589.04 × 238,429.08
  4. Step 4: Simplify right side
    429,420.60x = 141,290,459,625.28
  5. Step 5: Solve for x
    x = 141,290,459,625.28/429,420.60
  6. Step 6: Final answer
    x = 329,025.81

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1.5x scale

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.