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Finding the Fourth Proportional to 473,087.80, 707,903.70 and 348,671.80

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Solution

The fourth proportional to 473,087.80, 707,903.70 and 348,671.80 is: 521,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,087.80 : 707,903.70 = 348,671.80 : x
  2. Step 2: Convert to fraction form
    473,087.80/707,903.70 = 348,671.80/x
  3. Step 3: Cross multiply
    473,087.80x = 707,903.70 × 348,671.80
  4. Step 4: Simplify right side
    473,087.80x = 246,826,057,305.66
  5. Step 5: Solve for x
    x = 246,826,057,305.66/473,087.80
  6. Step 6: Final answer
    x = 521,734.14

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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.