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Finding the Fourth Proportional to 402,451.60, 604,066.20 and 244,987.60

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Solution

The fourth proportional to 402,451.60, 604,066.20 and 244,987.60 is: 367,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,451.60 : 604,066.20 = 244,987.60 : x
  2. Step 2: Convert to fraction form
    402,451.60/604,066.20 = 244,987.60/x
  3. Step 3: Cross multiply
    402,451.60x = 604,066.20 × 244,987.60
  4. Step 4: Simplify right side
    402,451.60x = 147,988,728,579.12
  5. Step 5: Solve for x
    x = 147,988,728,579.12/402,451.60
  6. Step 6: Final answer
    x = 367,718.08

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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.