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Finding the Fourth Proportional to 369,080.60, 552,308.70 and 256,231.40

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Solution

The fourth proportional to 369,080.60, 552,308.70 and 256,231.40 is: 383,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,080.60 : 552,308.70 = 256,231.40 : x
  2. Step 2: Convert to fraction form
    369,080.60/552,308.70 = 256,231.40/x
  3. Step 3: Cross multiply
    369,080.60x = 552,308.70 × 256,231.40
  4. Step 4: Simplify right side
    369,080.60x = 141,518,831,433.18
  5. Step 5: Solve for x
    x = 141,518,831,433.18/369,080.60
  6. Step 6: Final answer
    x = 383,436.12

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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.