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Finding the Fourth Proportional to 651,199.20, 976,798.80 and 177,932.40

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Solution

The fourth proportional to 651,199.20, 976,798.80 and 177,932.40 is: 266,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,199.20 : 976,798.80 = 177,932.40 : x
  2. Step 2: Convert to fraction form
    651,199.20/976,798.80 = 177,932.40/x
  3. Step 3: Cross multiply
    651,199.20x = 976,798.80 × 177,932.40
  4. Step 4: Simplify right side
    651,199.20x = 173,804,154,801.12
  5. Step 5: Solve for x
    x = 173,804,154,801.12/651,199.20
  6. Step 6: Final answer
    x = 266,898.60

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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.