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Finding the Fourth Proportional to 933,253.60, 1,398,843.60 and 512,831.20

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Solution

The fourth proportional to 933,253.60, 1,398,843.60 and 512,831.20 is: 768,677.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,253.60 : 1,398,843.60 = 512,831.20 : x
  2. Step 2: Convert to fraction form
    933,253.60/1,398,843.60 = 512,831.20/x
  3. Step 3: Cross multiply
    933,253.60x = 1,398,843.60 × 512,831.20
  4. Step 4: Simplify right side
    933,253.60x = 717,370,642,000.32
  5. Step 5: Solve for x
    x = 717,370,642,000.32/933,253.60
  6. Step 6: Final answer
    x = 768,677.07

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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.