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Finding the Fourth Proportional to 624,024.70, 935,285.10 and 286,599.76

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Solution

The fourth proportional to 624,024.70, 935,285.10 and 286,599.76 is: 429,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,024.70 : 935,285.10 = 286,599.76 : x
  2. Step 2: Convert to fraction form
    624,024.70/935,285.10 = 286,599.76/x
  3. Step 3: Cross multiply
    624,024.70x = 935,285.10 × 286,599.76
  4. Step 4: Simplify right side
    624,024.70x = 268,052,485,191.58
  5. Step 5: Solve for x
    x = 268,052,485,191.58/624,024.70
  6. Step 6: Final answer
    x = 429,554.29

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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.