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Finding the Fourth Proportional to 357,033.60, 534,887.68 and 255,622.40

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Solution

The fourth proportional to 357,033.60, 534,887.68 and 255,622.40 is: 382,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,033.60 : 534,887.68 = 255,622.40 : x
  2. Step 2: Convert to fraction form
    357,033.60/534,887.68 = 255,622.40/x
  3. Step 3: Cross multiply
    357,033.60x = 534,887.68 × 255,622.40
  4. Step 4: Simplify right side
    357,033.60x = 136,729,272,492.03
  5. Step 5: Solve for x
    x = 136,729,272,492.03/357,033.60
  6. Step 6: Final answer
    x = 382,959.12

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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.