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Finding the Fourth Proportional to 616,012.79, 850,088.65 and 344,084.58

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Solution

The fourth proportional to 616,012.79, 850,088.65 and 344,084.58 is: 474,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,012.79 : 850,088.65 = 344,084.58 : x
  2. Step 2: Convert to fraction form
    616,012.79/850,088.65 = 344,084.58/x
  3. Step 3: Cross multiply
    616,012.79x = 850,088.65 × 344,084.58
  4. Step 4: Simplify right side
    616,012.79x = 292,502,396,098.02
  5. Step 5: Solve for x
    x = 292,502,396,098.02/616,012.79
  6. Step 6: Final answer
    x = 474,831.69

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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.