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Finding the Fourth Proportional to 541,156.21, 811,484.12 and 304,498.87

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Solution

The fourth proportional to 541,156.21, 811,484.12 and 304,498.87 is: 456,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,156.21 : 811,484.12 = 304,498.87 : x
  2. Step 2: Convert to fraction form
    541,156.21/811,484.12 = 304,498.87/x
  3. Step 3: Cross multiply
    541,156.21x = 811,484.12 × 304,498.87
  4. Step 4: Simplify right side
    541,156.21x = 247,095,996,295.48
  5. Step 5: Solve for x
    x = 247,095,996,295.48/541,156.21
  6. Step 6: Final answer
    x = 456,607.52

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1.5x scale

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.