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Finding the Fourth Proportional to 473,432.80, 710,149.20 and 296,485.60

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Solution

The fourth proportional to 473,432.80, 710,149.20 and 296,485.60 is: 444,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,432.80 : 710,149.20 = 296,485.60 : x
  2. Step 2: Convert to fraction form
    473,432.80/710,149.20 = 296,485.60/x
  3. Step 3: Cross multiply
    473,432.80x = 710,149.20 × 296,485.60
  4. Step 4: Simplify right side
    473,432.80x = 210,549,011,651.52
  5. Step 5: Solve for x
    x = 210,549,011,651.52/473,432.80
  6. Step 6: Final answer
    x = 444,728.40

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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.