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Finding the Fourth Proportional to 542,244.04, 748,276.40 and 300,530.74

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Solution

The fourth proportional to 542,244.04, 748,276.40 and 300,530.74 is: 414,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,244.04 : 748,276.40 = 300,530.74 : x
  2. Step 2: Convert to fraction form
    542,244.04/748,276.40 = 300,530.74/x
  3. Step 3: Cross multiply
    542,244.04x = 748,276.40 × 300,530.74
  4. Step 4: Simplify right side
    542,244.04x = 224,880,060,216.54
  5. Step 5: Solve for x
    x = 224,880,060,216.54/542,244.04
  6. Step 6: Final answer
    x = 414,721.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.