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Finding the Fourth Proportional to 514,725.60, 772,244.64 and 248,436.48

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Solution

The fourth proportional to 514,725.60, 772,244.64 and 248,436.48 is: 372,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,725.60 : 772,244.64 = 248,436.48 : x
  2. Step 2: Convert to fraction form
    514,725.60/772,244.64 = 248,436.48/x
  3. Step 3: Cross multiply
    514,725.60x = 772,244.64 × 248,436.48
  4. Step 4: Simplify right side
    514,725.60x = 191,853,740,060.47
  5. Step 5: Solve for x
    x = 191,853,740,060.47/514,725.60
  6. Step 6: Final answer
    x = 372,730.13

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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.