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Finding the Fourth Proportional to 292,570.68, 439,446.42 and 174,473.40

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Solution

The fourth proportional to 292,570.68, 439,446.42 and 174,473.40 is: 262,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,570.68 : 439,446.42 = 174,473.40 : x
  2. Step 2: Convert to fraction form
    292,570.68/439,446.42 = 174,473.40/x
  3. Step 3: Cross multiply
    292,570.68x = 439,446.42 × 174,473.40
  4. Step 4: Simplify right side
    292,570.68x = 76,671,711,015.23
  5. Step 5: Solve for x
    x = 76,671,711,015.23/292,570.68
  6. Step 6: Final answer
    x = 262,062.18

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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.