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Finding the Fourth Proportional to 634,200.30, 951,300.45 and 260,030.70

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Solution

The fourth proportional to 634,200.30, 951,300.45 and 260,030.70 is: 390,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,200.30 : 951,300.45 = 260,030.70 : x
  2. Step 2: Convert to fraction form
    634,200.30/951,300.45 = 260,030.70/x
  3. Step 3: Cross multiply
    634,200.30x = 951,300.45 × 260,030.70
  4. Step 4: Simplify right side
    634,200.30x = 247,367,321,923.82
  5. Step 5: Solve for x
    x = 247,367,321,923.82/634,200.30
  6. Step 6: Final answer
    x = 390,046.05

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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.