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Finding the Fourth Proportional to 448,029.84, 671,510.52 and 312,360.24

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Solution

The fourth proportional to 448,029.84, 671,510.52 and 312,360.24 is: 468,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,029.84 : 671,510.52 = 312,360.24 : x
  2. Step 2: Convert to fraction form
    448,029.84/671,510.52 = 312,360.24/x
  3. Step 3: Cross multiply
    448,029.84x = 671,510.52 × 312,360.24
  4. Step 4: Simplify right side
    448,029.84x = 209,753,187,189.73
  5. Step 5: Solve for x
    x = 209,753,187,189.73/448,029.84
  6. Step 6: Final answer
    x = 468,167.90

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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.