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Finding the Fourth Proportional to 348,899.60, 522,053.40 and 255,587.60

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Solution

The fourth proportional to 348,899.60, 522,053.40 and 255,587.60 is: 382,432.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,899.60 : 522,053.40 = 255,587.60 : x
  2. Step 2: Convert to fraction form
    348,899.60/522,053.40 = 255,587.60/x
  3. Step 3: Cross multiply
    348,899.60x = 522,053.40 × 255,587.60
  4. Step 4: Simplify right side
    348,899.60x = 133,430,375,577.84
  5. Step 5: Solve for x
    x = 133,430,375,577.84/348,899.60
  6. Step 6: Final answer
    x = 382,432.01

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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.