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Finding the Fourth Proportional to 410,473.60, 616,099.20 and 253,009.60

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Solution

The fourth proportional to 410,473.60, 616,099.20 and 253,009.60 is: 379,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,473.60 : 616,099.20 = 253,009.60 : x
  2. Step 2: Convert to fraction form
    410,473.60/616,099.20 = 253,009.60/x
  3. Step 3: Cross multiply
    410,473.60x = 616,099.20 × 253,009.60
  4. Step 4: Simplify right side
    410,473.60x = 155,879,012,152.32
  5. Step 5: Solve for x
    x = 155,879,012,152.32/410,473.60
  6. Step 6: Final answer
    x = 379,754.05

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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.