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Finding the Fourth Proportional to 615,215.80, 922,823.70 and 503,022.70

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Solution

The fourth proportional to 615,215.80, 922,823.70 and 503,022.70 is: 754,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,215.80 : 922,823.70 = 503,022.70 : x
  2. Step 2: Convert to fraction form
    615,215.80/922,823.70 = 503,022.70/x
  3. Step 3: Cross multiply
    615,215.80x = 922,823.70 × 503,022.70
  4. Step 4: Simplify right side
    615,215.80x = 464,201,269,197.99
  5. Step 5: Solve for x
    x = 464,201,269,197.99/615,215.80
  6. Step 6: Final answer
    x = 754,534.05

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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.