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Finding the Fourth Proportional to 615,695.02, 923,681.04 and 216,363.40

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Solution

The fourth proportional to 615,695.02, 923,681.04 and 216,363.40 is: 324,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,695.02 : 923,681.04 = 216,363.40 : x
  2. Step 2: Convert to fraction form
    615,695.02/923,681.04 = 216,363.40/x
  3. Step 3: Cross multiply
    615,695.02x = 923,681.04 × 216,363.40
  4. Step 4: Simplify right side
    615,695.02x = 199,850,770,329.94
  5. Step 5: Solve for x
    x = 199,850,770,329.94/615,695.02
  6. Step 6: Final answer
    x = 324,593.77

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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.