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Finding the Fourth Proportional to 554,275.12, 832,744.32 and 354,982.72

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Solution

The fourth proportional to 554,275.12, 832,744.32 and 354,982.72 is: 533,326.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,275.12 : 832,744.32 = 354,982.72 : x
  2. Step 2: Convert to fraction form
    554,275.12/832,744.32 = 354,982.72/x
  3. Step 3: Cross multiply
    554,275.12x = 832,744.32 × 354,982.72
  4. Step 4: Simplify right side
    554,275.12x = 295,609,843,778.15
  5. Step 5: Solve for x
    x = 295,609,843,778.15/554,275.12
  6. Step 6: Final answer
    x = 533,326.92

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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.