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Finding the Fourth Proportional to 429,490.14, 592,600.95 and 259,720.62

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Solution

The fourth proportional to 429,490.14, 592,600.95 and 259,720.62 is: 358,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,490.14 : 592,600.95 = 259,720.62 : x
  2. Step 2: Convert to fraction form
    429,490.14/592,600.95 = 259,720.62/x
  3. Step 3: Cross multiply
    429,490.14x = 592,600.95 × 259,720.62
  4. Step 4: Simplify right side
    429,490.14x = 153,910,686,146.59
  5. Step 5: Solve for x
    x = 153,910,686,146.59/429,490.14
  6. Step 6: Final answer
    x = 358,356.74

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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.