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Finding the Fourth Proportional to 602,356.80, 903,535.20 and 460,639.20

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Solution

The fourth proportional to 602,356.80, 903,535.20 and 460,639.20 is: 690,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,356.80 : 903,535.20 = 460,639.20 : x
  2. Step 2: Convert to fraction form
    602,356.80/903,535.20 = 460,639.20/x
  3. Step 3: Cross multiply
    602,356.80x = 903,535.20 × 460,639.20
  4. Step 4: Simplify right side
    602,356.80x = 416,203,731,699.84
  5. Step 5: Solve for x
    x = 416,203,731,699.84/602,356.80
  6. Step 6: Final answer
    x = 690,958.80

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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.