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Finding the Fourth Proportional to 624,037.70, 935,304.60 and 286,612.76

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Solution

The fourth proportional to 624,037.70, 935,304.60 and 286,612.76 is: 429,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,037.70 : 935,304.60 = 286,612.76 : x
  2. Step 2: Convert to fraction form
    624,037.70/935,304.60 = 286,612.76/x
  3. Step 3: Cross multiply
    624,037.70x = 935,304.60 × 286,612.76
  4. Step 4: Simplify right side
    624,037.70x = 268,070,232,846.70
  5. Step 5: Solve for x
    x = 268,070,232,846.70/624,037.70
  6. Step 6: Final answer
    x = 429,573.78

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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.