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Finding the Fourth Proportional to 360,044.80, 540,002.40 and 226,686.40

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Solution

The fourth proportional to 360,044.80, 540,002.40 and 226,686.40 is: 339,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,044.80 : 540,002.40 = 226,686.40 : x
  2. Step 2: Convert to fraction form
    360,044.80/540,002.40 = 226,686.40/x
  3. Step 3: Cross multiply
    360,044.80x = 540,002.40 × 226,686.40
  4. Step 4: Simplify right side
    360,044.80x = 122,411,200,047.36
  5. Step 5: Solve for x
    x = 122,411,200,047.36/360,044.80
  6. Step 6: Final answer
    x = 339,988.80

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1.5x scale

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.