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Finding the Fourth Proportional to 604,987.20, 907,480.80 and 594,489.60

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Solution

The fourth proportional to 604,987.20, 907,480.80 and 594,489.60 is: 891,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,987.20 : 907,480.80 = 594,489.60 : x
  2. Step 2: Convert to fraction form
    604,987.20/907,480.80 = 594,489.60/x
  3. Step 3: Cross multiply
    604,987.20x = 907,480.80 × 594,489.60
  4. Step 4: Simplify right side
    604,987.20x = 539,487,897,799.68
  5. Step 5: Solve for x
    x = 539,487,897,799.68/604,987.20
  6. Step 6: Final answer
    x = 891,734.40

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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.