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Finding the Fourth Proportional to 624,019.70, 935,277.60 and 286,594.76

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Solution

The fourth proportional to 624,019.70, 935,277.60 and 286,594.76 is: 429,546.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,019.70 : 935,277.60 = 286,594.76 : x
  2. Step 2: Convert to fraction form
    624,019.70/935,277.60 = 286,594.76/x
  3. Step 3: Cross multiply
    624,019.70x = 935,277.60 × 286,594.76
  4. Step 4: Simplify right side
    624,019.70x = 268,045,659,305.38
  5. Step 5: Solve for x
    x = 268,045,659,305.38/624,019.70
  6. Step 6: Final answer
    x = 429,546.79

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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.