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Finding the Fourth Proportional to 452,818.54, 624,876.42 and 259,219.72

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Solution

The fourth proportional to 452,818.54, 624,876.42 and 259,219.72 is: 357,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,818.54 : 624,876.42 = 259,219.72 : x
  2. Step 2: Convert to fraction form
    452,818.54/624,876.42 = 259,219.72/x
  3. Step 3: Cross multiply
    452,818.54x = 624,876.42 × 259,219.72
  4. Step 4: Simplify right side
    452,818.54x = 161,980,290,922.06
  5. Step 5: Solve for x
    x = 161,980,290,922.06/452,818.54
  6. Step 6: Final answer
    x = 357,715.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.