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Finding the Fourth Proportional to 542,184.96, 748,194.84 and 300,461.28

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Solution

The fourth proportional to 542,184.96, 748,194.84 and 300,461.28 is: 414,625.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,184.96 : 748,194.84 = 300,461.28 : x
  2. Step 2: Convert to fraction form
    542,184.96/748,194.84 = 300,461.28/x
  3. Step 3: Cross multiply
    542,184.96x = 748,194.84 × 300,461.28
  4. Step 4: Simplify right side
    542,184.96x = 224,803,579,315.80
  5. Step 5: Solve for x
    x = 224,803,579,315.80/542,184.96
  6. Step 6: Final answer
    x = 414,625.26

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1.5x scale

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.