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Finding the Fourth Proportional to 373,395.60, 561,259.80 and 366,397.20

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Solution

The fourth proportional to 373,395.60, 561,259.80 and 366,397.20 is: 550,740.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,395.60 : 561,259.80 = 366,397.20 : x
  2. Step 2: Convert to fraction form
    373,395.60/561,259.80 = 366,397.20/x
  3. Step 3: Cross multiply
    373,395.60x = 561,259.80 × 366,397.20
  4. Step 4: Simplify right side
    373,395.60x = 205,644,019,192.56
  5. Step 5: Solve for x
    x = 205,644,019,192.56/373,395.60
  6. Step 6: Final answer
    x = 550,740.34

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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.