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Finding the Fourth Proportional to 295,653.20, 442,823.70 and 256,287.20

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Solution

The fourth proportional to 295,653.20, 442,823.70 and 256,287.20 is: 383,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,653.20 : 442,823.70 = 256,287.20 : x
  2. Step 2: Convert to fraction form
    295,653.20/442,823.70 = 256,287.20/x
  3. Step 3: Cross multiply
    295,653.20x = 442,823.70 × 256,287.20
  4. Step 4: Simplify right side
    295,653.20x = 113,490,046,166.64
  5. Step 5: Solve for x
    x = 113,490,046,166.64/295,653.20
  6. Step 6: Final answer
    x = 383,862.06

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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.