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Finding the Fourth Proportional to 598,243.20, 897,364.80 and 346,300.80

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Solution

The fourth proportional to 598,243.20, 897,364.80 and 346,300.80 is: 519,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,243.20 : 897,364.80 = 346,300.80 : x
  2. Step 2: Convert to fraction form
    598,243.20/897,364.80 = 346,300.80/x
  3. Step 3: Cross multiply
    598,243.20x = 897,364.80 × 346,300.80
  4. Step 4: Simplify right side
    598,243.20x = 310,758,148,131.84
  5. Step 5: Solve for x
    x = 310,758,148,131.84/598,243.20
  6. Step 6: Final answer
    x = 519,451.20

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Double scale
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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.