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Finding the Fourth Proportional to 452,414.64, 624,382.14 and 258,840.30

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Solution

The fourth proportional to 452,414.64, 624,382.14 and 258,840.30 is: 357,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,414.64 : 624,382.14 = 258,840.30 : x
  2. Step 2: Convert to fraction form
    452,414.64/624,382.14 = 258,840.30/x
  3. Step 3: Cross multiply
    452,414.64x = 624,382.14 × 258,840.30
  4. Step 4: Simplify right side
    452,414.64x = 161,615,260,432.24
  5. Step 5: Solve for x
    x = 161,615,260,432.24/452,414.64
  6. Step 6: Final answer
    x = 357,228.18

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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.