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Finding the Fourth Proportional to 487,774.53, 731,674.76 and 132,795.81

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Solution

The fourth proportional to 487,774.53, 731,674.76 and 132,795.81 is: 199,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,774.53 : 731,674.76 = 132,795.81 : x
  2. Step 2: Convert to fraction form
    487,774.53/731,674.76 = 132,795.81/x
  3. Step 3: Cross multiply
    487,774.53x = 731,674.76 × 132,795.81
  4. Step 4: Simplify right side
    487,774.53x = 97,163,341,746.78
  5. Step 5: Solve for x
    x = 97,163,341,746.78/487,774.53
  6. Step 6: Final answer
    x = 199,197.24

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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.