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Finding the Fourth Proportional to 529,631.62, 794,440.59 and 130,275.86

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Solution

The fourth proportional to 529,631.62, 794,440.59 and 130,275.86 is: 195,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,631.62 : 794,440.59 = 130,275.86 : x
  2. Step 2: Convert to fraction form
    529,631.62/794,440.59 = 130,275.86/x
  3. Step 3: Cross multiply
    529,631.62x = 794,440.59 × 130,275.86
  4. Step 4: Simplify right side
    529,631.62x = 103,496,427,108.95
  5. Step 5: Solve for x
    x = 103,496,427,108.95/529,631.62
  6. Step 6: Final answer
    x = 195,412.10

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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.