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Finding the Fourth Proportional to 615,222.80, 922,834.20 and 377,795.60

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Solution

The fourth proportional to 615,222.80, 922,834.20 and 377,795.60 is: 566,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,222.80 : 922,834.20 = 377,795.60 : x
  2. Step 2: Convert to fraction form
    615,222.80/922,834.20 = 377,795.60/x
  3. Step 3: Cross multiply
    615,222.80x = 922,834.20 × 377,795.60
  4. Step 4: Simplify right side
    615,222.80x = 348,642,700,289.52
  5. Step 5: Solve for x
    x = 348,642,700,289.52/615,222.80
  6. Step 6: Final answer
    x = 566,693.40

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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.