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Finding the Fourth Proportional to 292,547.30, 410,747.20 and 292,547.30

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Solution

The fourth proportional to 292,547.30, 410,747.20 and 292,547.30 is: 410,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,547.30 : 410,747.20 = 292,547.30 : x
  2. Step 2: Convert to fraction form
    292,547.30/410,747.20 = 292,547.30/x
  3. Step 3: Cross multiply
    292,547.30x = 410,747.20 × 292,547.30
  4. Step 4: Simplify right side
    292,547.30x = 120,162,984,342.56
  5. Step 5: Solve for x
    x = 120,162,984,342.56/292,547.30
  6. Step 6: Final answer
    x = 410,747.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.