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Finding the Fourth Proportional to 598,357.80, 897,536.70 and 456,640.20

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Solution

The fourth proportional to 598,357.80, 897,536.70 and 456,640.20 is: 684,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,357.80 : 897,536.70 = 456,640.20 : x
  2. Step 2: Convert to fraction form
    598,357.80/897,536.70 = 456,640.20/x
  3. Step 3: Cross multiply
    598,357.80x = 897,536.70 × 456,640.20
  4. Step 4: Simplify right side
    598,357.80x = 409,851,338,195.34
  5. Step 5: Solve for x
    x = 409,851,338,195.34/598,357.80
  6. Step 6: Final answer
    x = 684,960.30

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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.