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Finding the Fourth Proportional to 615,132.08, 922,255.28 and 377,984.80

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Solution

The fourth proportional to 615,132.08, 922,255.28 and 377,984.80 is: 566,705.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,132.08 : 922,255.28 = 377,984.80 : x
  2. Step 2: Convert to fraction form
    615,132.08/922,255.28 = 377,984.80/x
  3. Step 3: Cross multiply
    615,132.08x = 922,255.28 × 377,984.80
  4. Step 4: Simplify right side
    615,132.08x = 348,598,477,559.74
  5. Step 5: Solve for x
    x = 348,598,477,559.74/615,132.08
  6. Step 6: Final answer
    x = 566,705.08

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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.