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Finding the Fourth Proportional to 410,139.80, 614,547.30 and 232,117.40

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Solution

The fourth proportional to 410,139.80, 614,547.30 and 232,117.40 is: 347,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,139.80 : 614,547.30 = 232,117.40 : x
  2. Step 2: Convert to fraction form
    410,139.80/614,547.30 = 232,117.40/x
  3. Step 3: Cross multiply
    410,139.80x = 614,547.30 × 232,117.40
  4. Step 4: Simplify right side
    410,139.80x = 142,647,121,453.02
  5. Step 5: Solve for x
    x = 142,647,121,453.02/410,139.80
  6. Step 6: Final answer
    x = 347,801.22

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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.