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Finding the Fourth Proportional to 615,543.65, 922,684.16 and 236,362.30

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Solution

The fourth proportional to 615,543.65, 922,684.16 and 236,362.30 is: 354,301.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,543.65 : 922,684.16 = 236,362.30 : x
  2. Step 2: Convert to fraction form
    615,543.65/922,684.16 = 236,362.30/x
  3. Step 3: Cross multiply
    615,543.65x = 922,684.16 × 236,362.30
  4. Step 4: Simplify right side
    615,543.65x = 218,087,753,705.46
  5. Step 5: Solve for x
    x = 218,087,753,705.46/615,543.65
  6. Step 6: Final answer
    x = 354,301.03

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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.