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Finding the Fourth Proportional to 261,722.88, 392,585.88 and 248,973.36

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Solution

The fourth proportional to 261,722.88, 392,585.88 and 248,973.36 is: 373,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,722.88 : 392,585.88 = 248,973.36 : x
  2. Step 2: Convert to fraction form
    261,722.88/392,585.88 = 248,973.36/x
  3. Step 3: Cross multiply
    261,722.88x = 392,585.88 × 248,973.36
  4. Step 4: Simplify right side
    261,722.88x = 97,743,425,632.16
  5. Step 5: Solve for x
    x = 97,743,425,632.16/261,722.88
  6. Step 6: Final answer
    x = 373,461.52

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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.