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Finding the Fourth Proportional to 547,462.65, 750,011.30 and 526,994.42

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Solution

The fourth proportional to 547,462.65, 750,011.30 and 526,994.42 is: 721,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,462.65 : 750,011.30 = 526,994.42 : x
  2. Step 2: Convert to fraction form
    547,462.65/750,011.30 = 526,994.42/x
  3. Step 3: Cross multiply
    547,462.65x = 750,011.30 × 526,994.42
  4. Step 4: Simplify right side
    547,462.65x = 395,251,767,401.97
  5. Step 5: Solve for x
    x = 395,251,767,401.97/547,462.65
  6. Step 6: Final answer
    x = 721,970.29

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.