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Finding the Fourth Proportional to 604,412,416.80, 906,618,625.20 and 483,480,064.80

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Solution

The fourth proportional to 604,412,416.80, 906,618,625.20 and 483,480,064.80 is: 725,220,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,412,416.80 : 906,618,625.20 = 483,480,064.80 : x
  2. Step 2: Convert to fraction form
    604,412,416.80/906,618,625.20 = 483,480,064.80/x
  3. Step 3: Cross multiply
    604,412,416.80x = 906,618,625.20 × 483,480,064.80
  4. Step 4: Simplify right side
    604,412,416.80x = 438,332,031,660,582,976
  5. Step 5: Solve for x
    x = 438,332,031,660,582,976/604,412,416.80
  6. Step 6: Final answer
    x = 725,220,097.20

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Similar ratio
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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.