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Finding the Fourth Proportional to 542,232.19, 748,280.49 and 300,530.36

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Solution

The fourth proportional to 542,232.19, 748,280.49 and 300,530.36 is: 414,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,232.19 : 748,280.49 = 300,530.36 : x
  2. Step 2: Convert to fraction form
    542,232.19/748,280.49 = 300,530.36/x
  3. Step 3: Cross multiply
    542,232.19x = 748,280.49 × 300,530.36
  4. Step 4: Simplify right side
    542,232.19x = 224,881,003,538.03
  5. Step 5: Solve for x
    x = 224,881,003,538.03/542,232.19
  6. Step 6: Final answer
    x = 414,731.94

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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.