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Finding the Fourth Proportional to 575,133.74, 862,700.61 and 175,775.66

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Solution

The fourth proportional to 575,133.74, 862,700.61 and 175,775.66 is: 263,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,133.74 : 862,700.61 = 175,775.66 : x
  2. Step 2: Convert to fraction form
    575,133.74/862,700.61 = 175,775.66/x
  3. Step 3: Cross multiply
    575,133.74x = 862,700.61 × 175,775.66
  4. Step 4: Simplify right side
    575,133.74x = 151,641,769,105.15
  5. Step 5: Solve for x
    x = 151,641,769,105.15/575,133.74
  6. Step 6: Final answer
    x = 263,663.49

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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.