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Finding the Fourth Proportional to 374,454.60, 560,807.10 and 366,937.80

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Solution

The fourth proportional to 374,454.60, 560,807.10 and 366,937.80 is: 549,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,454.60 : 560,807.10 = 366,937.80 : x
  2. Step 2: Convert to fraction form
    374,454.60/560,807.10 = 366,937.80/x
  3. Step 3: Cross multiply
    374,454.60x = 560,807.10 × 366,937.80
  4. Step 4: Simplify right side
    374,454.60x = 205,781,323,498.38
  5. Step 5: Solve for x
    x = 205,781,323,498.38/374,454.60
  6. Step 6: Final answer
    x = 549,549.46

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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.