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Finding the Fourth Proportional to 616,585.48, 850,898.46 and 344,658.76

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Solution

The fourth proportional to 616,585.48, 850,898.46 and 344,658.76 is: 475,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,585.48 : 850,898.46 = 344,658.76 : x
  2. Step 2: Convert to fraction form
    616,585.48/850,898.46 = 344,658.76/x
  3. Step 3: Cross multiply
    616,585.48x = 850,898.46 × 344,658.76
  4. Step 4: Simplify right side
    616,585.48x = 293,269,608,109.51
  5. Step 5: Solve for x
    x = 293,269,608,109.51/616,585.48
  6. Step 6: Final answer
    x = 475,634.96

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1.5x scale

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.