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Finding the Fourth Proportional to 607,531.20, 910,567.80 and 252,362.40

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Solution

The fourth proportional to 607,531.20, 910,567.80 and 252,362.40 is: 378,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,531.20 : 910,567.80 = 252,362.40 : x
  2. Step 2: Convert to fraction form
    607,531.20/910,567.80 = 252,362.40/x
  3. Step 3: Cross multiply
    607,531.20x = 910,567.80 × 252,362.40
  4. Step 4: Simplify right side
    607,531.20x = 229,793,075,370.72
  5. Step 5: Solve for x
    x = 229,793,075,370.72/607,531.20
  6. Step 6: Final answer
    x = 378,240.78

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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.