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Finding the Fourth Proportional to 381,333.60, 572,000.40 and 293,032.80

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Solution

The fourth proportional to 381,333.60, 572,000.40 and 293,032.80 is: 439,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,333.60 : 572,000.40 = 293,032.80 : x
  2. Step 2: Convert to fraction form
    381,333.60/572,000.40 = 293,032.80/x
  3. Step 3: Cross multiply
    381,333.60x = 572,000.40 × 293,032.80
  4. Step 4: Simplify right side
    381,333.60x = 167,614,878,813.12
  5. Step 5: Solve for x
    x = 167,614,878,813.12/381,333.60
  6. Step 6: Final answer
    x = 439,549.20

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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.