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Finding the Fourth Proportional to 364,609.47, 546,126.87 and 355,686.51

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Solution

The fourth proportional to 364,609.47, 546,126.87 and 355,686.51 is: 532,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,609.47 : 546,126.87 = 355,686.51 : x
  2. Step 2: Convert to fraction form
    364,609.47/546,126.87 = 355,686.51/x
  3. Step 3: Cross multiply
    364,609.47x = 546,126.87 × 355,686.51
  4. Step 4: Simplify right side
    364,609.47x = 194,249,960,407.52
  5. Step 5: Solve for x
    x = 194,249,960,407.52/364,609.47
  6. Step 6: Final answer
    x = 532,761.70

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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.