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Finding the Fourth Proportional to 615,537.20, 922,528.20 and 548,663.60

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Solution

The fourth proportional to 615,537.20, 922,528.20 and 548,663.60 is: 822,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,537.20 : 922,528.20 = 548,663.60 : x
  2. Step 2: Convert to fraction form
    615,537.20/922,528.20 = 548,663.60/x
  3. Step 3: Cross multiply
    615,537.20x = 922,528.20 × 548,663.60
  4. Step 4: Simplify right side
    615,537.20x = 506,157,643,313.52
  5. Step 5: Solve for x
    x = 506,157,643,313.52/615,537.20
  6. Step 6: Final answer
    x = 822,302.28

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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.