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Finding the Fourth Proportional to 249,564.80, 374,347.20 and 237,276.80

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Solution

The fourth proportional to 249,564.80, 374,347.20 and 237,276.80 is: 355,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,564.80 : 374,347.20 = 237,276.80 : x
  2. Step 2: Convert to fraction form
    249,564.80/374,347.20 = 237,276.80/x
  3. Step 3: Cross multiply
    249,564.80x = 374,347.20 × 237,276.80
  4. Step 4: Simplify right side
    249,564.80x = 88,823,905,704.96
  5. Step 5: Solve for x
    x = 88,823,905,704.96/249,564.80
  6. Step 6: Final answer
    x = 355,915.20

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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.