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Finding the Fourth Proportional to 637,089.32, 955,633.92 and 163,775.12

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Solution

The fourth proportional to 637,089.32, 955,633.92 and 163,775.12 is: 245,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,089.32 : 955,633.92 = 163,775.12 : x
  2. Step 2: Convert to fraction form
    637,089.32/955,633.92 = 163,775.12/x
  3. Step 3: Cross multiply
    637,089.32x = 955,633.92 × 163,775.12
  4. Step 4: Simplify right side
    637,089.32x = 156,509,059,924.07
  5. Step 5: Solve for x
    x = 156,509,059,924.07/637,089.32
  6. Step 6: Final answer
    x = 245,662.66

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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.