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Finding the Fourth Proportional to 461,011.60, 635,921.84 and 358,875.39

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Solution

The fourth proportional to 461,011.60, 635,921.84 and 358,875.39 is: 495,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,011.60 : 635,921.84 = 358,875.39 : x
  2. Step 2: Convert to fraction form
    461,011.60/635,921.84 = 358,875.39/x
  3. Step 3: Cross multiply
    461,011.60x = 635,921.84 × 358,875.39
  4. Step 4: Simplify right side
    461,011.60x = 228,216,698,339.52
  5. Step 5: Solve for x
    x = 228,216,698,339.52/461,011.60
  6. Step 6: Final answer
    x = 495,034.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.