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Finding the Fourth Proportional to 440,651.88, 608,100.20 and 249,678.16

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Solution

The fourth proportional to 440,651.88, 608,100.20 and 249,678.16 is: 344,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,651.88 : 608,100.20 = 249,678.16 : x
  2. Step 2: Convert to fraction form
    440,651.88/608,100.20 = 249,678.16/x
  3. Step 3: Cross multiply
    440,651.88x = 608,100.20 × 249,678.16
  4. Step 4: Simplify right side
    440,651.88x = 151,829,339,031.63
  5. Step 5: Solve for x
    x = 151,829,339,031.63/440,651.88
  6. Step 6: Final answer
    x = 344,556.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.