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Finding the Fourth Proportional to 626,767.20, 940,150.80 and 558,532.80

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Solution

The fourth proportional to 626,767.20, 940,150.80 and 558,532.80 is: 837,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,767.20 : 940,150.80 = 558,532.80 : x
  2. Step 2: Convert to fraction form
    626,767.20/940,150.80 = 558,532.80/x
  3. Step 3: Cross multiply
    626,767.20x = 940,150.80 × 558,532.80
  4. Step 4: Simplify right side
    626,767.20x = 525,105,058,746.24
  5. Step 5: Solve for x
    x = 525,105,058,746.24/626,767.20
  6. Step 6: Final answer
    x = 837,799.20

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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.