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Finding the Fourth Proportional to 334,734.40, 502,101.60 and 124,328.80

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Solution

The fourth proportional to 334,734.40, 502,101.60 and 124,328.80 is: 186,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,734.40 : 502,101.60 = 124,328.80 : x
  2. Step 2: Convert to fraction form
    334,734.40/502,101.60 = 124,328.80/x
  3. Step 3: Cross multiply
    334,734.40x = 502,101.60 × 124,328.80
  4. Step 4: Simplify right side
    334,734.40x = 62,425,689,406.08
  5. Step 5: Solve for x
    x = 62,425,689,406.08/334,734.40
  6. Step 6: Final answer
    x = 186,493.20

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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.