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Finding the Fourth Proportional to 487,019.34, 730,526.58 and 132,032.79

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Solution

The fourth proportional to 487,019.34, 730,526.58 and 132,032.79 is: 198,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,019.34 : 730,526.58 = 132,032.79 : x
  2. Step 2: Convert to fraction form
    487,019.34/730,526.58 = 132,032.79/x
  3. Step 3: Cross multiply
    487,019.34x = 730,526.58 × 132,032.79
  4. Step 4: Simplify right side
    487,019.34x = 96,453,462,526.56
  5. Step 5: Solve for x
    x = 96,453,462,526.56/487,019.34
  6. Step 6: Final answer
    x = 198,048.53

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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.