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Finding the Fourth Proportional to 615,190.30, 922,785.45 and 591,570.70

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Solution

The fourth proportional to 615,190.30, 922,785.45 and 591,570.70 is: 887,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,190.30 : 922,785.45 = 591,570.70 : x
  2. Step 2: Convert to fraction form
    615,190.30/922,785.45 = 591,570.70/x
  3. Step 3: Cross multiply
    615,190.30x = 922,785.45 × 591,570.70
  4. Step 4: Simplify right side
    615,190.30x = 545,892,834,606.32
  5. Step 5: Solve for x
    x = 545,892,834,606.32/615,190.30
  6. Step 6: Final answer
    x = 887,356.05

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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.