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Finding the Fourth Proportional to 707,577.12, 1,061,363.28 and 286,852

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Solution

The fourth proportional to 707,577.12, 1,061,363.28 and 286,852 is: 430,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,577.12 : 1,061,363.28 = 286,852 : x
  2. Step 2: Convert to fraction form
    707,577.12/1,061,363.28 = 286,852/x
  3. Step 3: Cross multiply
    707,577.12x = 1,061,363.28 × 286,852
  4. Step 4: Simplify right side
    707,577.12x = 304,454,179,594.56
  5. Step 5: Solve for x
    x = 304,454,179,594.56/707,577.12
  6. Step 6: Final answer
    x = 430,277.03

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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.