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Finding the Fourth Proportional to 566,403.60, 847,637.10 and 389,256.60

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Solution

The fourth proportional to 566,403.60, 847,637.10 and 389,256.60 is: 582,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,403.60 : 847,637.10 = 389,256.60 : x
  2. Step 2: Convert to fraction form
    566,403.60/847,637.10 = 389,256.60/x
  3. Step 3: Cross multiply
    566,403.60x = 847,637.10 × 389,256.60
  4. Step 4: Simplify right side
    566,403.60x = 329,948,335,579.86
  5. Step 5: Solve for x
    x = 329,948,335,579.86/566,403.60
  6. Step 6: Final answer
    x = 582,532.20

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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.