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Finding the Fourth Proportional to 658,405.44, 908,569.58 and 413,516.70

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Solution

The fourth proportional to 658,405.44, 908,569.58 and 413,516.70 is: 570,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,405.44 : 908,569.58 = 413,516.70 : x
  2. Step 2: Convert to fraction form
    658,405.44/908,569.58 = 413,516.70/x
  3. Step 3: Cross multiply
    658,405.44x = 908,569.58 × 413,516.70
  4. Step 4: Simplify right side
    658,405.44x = 375,708,692,374.40
  5. Step 5: Solve for x
    x = 375,708,692,374.40/658,405.44
  6. Step 6: Final answer
    x = 570,634.25

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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.