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Finding the Fourth Proportional to 285,614.55, 425,868.35 and 277,767.49

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Solution

The fourth proportional to 285,614.55, 425,868.35 and 277,767.49 is: 414,167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,614.55 : 425,868.35 = 277,767.49 : x
  2. Step 2: Convert to fraction form
    285,614.55/425,868.35 = 277,767.49/x
  3. Step 3: Cross multiply
    285,614.55x = 425,868.35 × 277,767.49
  4. Step 4: Simplify right side
    285,614.55x = 118,292,382,649.94
  5. Step 5: Solve for x
    x = 118,292,382,649.94/285,614.55
  6. Step 6: Final answer
    x = 414,167.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.