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Finding the Fourth Proportional to 555,319.26, 832,978.88 and 134,595.14

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Solution

The fourth proportional to 555,319.26, 832,978.88 and 134,595.14 is: 201,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,319.26 : 832,978.88 = 134,595.14 : x
  2. Step 2: Convert to fraction form
    555,319.26/832,978.88 = 134,595.14/x
  3. Step 3: Cross multiply
    555,319.26x = 832,978.88 × 134,595.14
  4. Step 4: Simplify right side
    555,319.26x = 112,114,908,970.64
  5. Step 5: Solve for x
    x = 112,114,908,970.64/555,319.26
  6. Step 6: Final answer
    x = 201,892.71

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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.