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Finding the Fourth Proportional to 615,063.23, 922,489.71 and 165,679.01

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Solution

The fourth proportional to 615,063.23, 922,489.71 and 165,679.01 is: 248,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,063.23 : 922,489.71 = 165,679.01 : x
  2. Step 2: Convert to fraction form
    615,063.23/922,489.71 = 165,679.01/x
  3. Step 3: Cross multiply
    615,063.23x = 922,489.71 × 165,679.01
  4. Step 4: Simplify right side
    615,063.23x = 152,837,177,275.54
  5. Step 5: Solve for x
    x = 152,837,177,275.54/615,063.23
  6. Step 6: Final answer
    x = 248,490.19

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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.