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Finding the Fourth Proportional to 398,776.22, 596,759.18 and 249,087

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Solution

The fourth proportional to 398,776.22, 596,759.18 and 249,087 is: 372,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,776.22 : 596,759.18 = 249,087 : x
  2. Step 2: Convert to fraction form
    398,776.22/596,759.18 = 249,087/x
  3. Step 3: Cross multiply
    398,776.22x = 596,759.18 × 249,087
  4. Step 4: Simplify right side
    398,776.22x = 148,644,952,623.23
  5. Step 5: Solve for x
    x = 148,644,952,623.23/398,776.22
  6. Step 6: Final answer
    x = 372,752.80

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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.