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Finding the Fourth Proportional to 473,685.60, 710,269.20 and 192,885.60

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Solution

The fourth proportional to 473,685.60, 710,269.20 and 192,885.60 is: 289,222.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,685.60 : 710,269.20 = 192,885.60 : x
  2. Step 2: Convert to fraction form
    473,685.60/710,269.20 = 192,885.60/x
  3. Step 3: Cross multiply
    473,685.60x = 710,269.20 × 192,885.60
  4. Step 4: Simplify right side
    473,685.60x = 137,000,700,803.52
  5. Step 5: Solve for x
    x = 137,000,700,803.52/473,685.60
  6. Step 6: Final answer
    x = 289,222.85

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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.