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Finding the Fourth Proportional to 388,673.52, 583,088.63 and 164,034.19

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Solution

The fourth proportional to 388,673.52, 583,088.63 and 164,034.19 is: 246,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,673.52 : 583,088.63 = 164,034.19 : x
  2. Step 2: Convert to fraction form
    388,673.52/583,088.63 = 164,034.19/x
  3. Step 3: Cross multiply
    388,673.52x = 583,088.63 × 164,034.19
  4. Step 4: Simplify right side
    388,673.52x = 95,646,471,120.26
  5. Step 5: Solve for x
    x = 95,646,471,120.26/388,673.52
  6. Step 6: Final answer
    x = 246,084.35

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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.