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Finding the Fourth Proportional to 584,853.60, 807,473.16 and 477,680.88

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Solution

The fourth proportional to 584,853.60, 807,473.16 and 477,680.88 is: 659,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,853.60 : 807,473.16 = 477,680.88 : x
  2. Step 2: Convert to fraction form
    584,853.60/807,473.16 = 477,680.88/x
  3. Step 3: Cross multiply
    584,853.60x = 807,473.16 × 477,680.88
  4. Step 4: Simplify right side
    584,853.60x = 385,714,489,645.18
  5. Step 5: Solve for x
    x = 385,714,489,645.18/584,853.60
  6. Step 6: Final answer
    x = 659,506.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.