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Finding the Fourth Proportional to 606,716.80, 910,075.20 and 577,192.30

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Solution

The fourth proportional to 606,716.80, 910,075.20 and 577,192.30 is: 865,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,716.80 : 910,075.20 = 577,192.30 : x
  2. Step 2: Convert to fraction form
    606,716.80/910,075.20 = 577,192.30/x
  3. Step 3: Cross multiply
    606,716.80x = 910,075.20 × 577,192.30
  4. Step 4: Simplify right side
    606,716.80x = 525,288,397,860.96
  5. Step 5: Solve for x
    x = 525,288,397,860.96/606,716.80
  6. Step 6: Final answer
    x = 865,788.45

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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.