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Finding the Fourth Proportional to 296,384.40, 443,264.40 and 249,145.20

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Solution

The fourth proportional to 296,384.40, 443,264.40 and 249,145.20 is: 372,614.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,384.40 : 443,264.40 = 249,145.20 : x
  2. Step 2: Convert to fraction form
    296,384.40/443,264.40 = 249,145.20/x
  3. Step 3: Cross multiply
    296,384.40x = 443,264.40 × 249,145.20
  4. Step 4: Simplify right side
    296,384.40x = 110,437,197,590.88
  5. Step 5: Solve for x
    x = 110,437,197,590.88/296,384.40
  6. Step 6: Final answer
    x = 372,614.74

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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.