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Finding the Fourth Proportional to 637,425.64, 956,138.46 and 216,701.52

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Solution

The fourth proportional to 637,425.64, 956,138.46 and 216,701.52 is: 325,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,425.64 : 956,138.46 = 216,701.52 : x
  2. Step 2: Convert to fraction form
    637,425.64/956,138.46 = 216,701.52/x
  3. Step 3: Cross multiply
    637,425.64x = 956,138.46 × 216,701.52
  4. Step 4: Simplify right side
    637,425.64x = 207,196,657,612.46
  5. Step 5: Solve for x
    x = 207,196,657,612.46/637,425.64
  6. Step 6: Final answer
    x = 325,052.28

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Double scale
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Similar ratio
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1.5x scale

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.