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Finding the Fourth Proportional to 541,303.32, 747,000 and 299,602.56

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Solution

The fourth proportional to 541,303.32, 747,000 and 299,602.56 is: 413,452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,303.32 : 747,000 = 299,602.56 : x
  2. Step 2: Convert to fraction form
    541,303.32/747,000 = 299,602.56/x
  3. Step 3: Cross multiply
    541,303.32x = 747,000 × 299,602.56
  4. Step 4: Simplify right side
    541,303.32x = 223,803,112,320
  5. Step 5: Solve for x
    x = 223,803,112,320/541,303.32
  6. Step 6: Final answer
    x = 413,452.32

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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.