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Finding the Fourth Proportional to 537,308.80, 805,041.60 and 256,220.80

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Solution

The fourth proportional to 537,308.80, 805,041.60 and 256,220.80 is: 383,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,308.80 : 805,041.60 = 256,220.80 : x
  2. Step 2: Convert to fraction form
    537,308.80/805,041.60 = 256,220.80/x
  3. Step 3: Cross multiply
    537,308.80x = 805,041.60 × 256,220.80
  4. Step 4: Simplify right side
    537,308.80x = 206,268,402,785.28
  5. Step 5: Solve for x
    x = 206,268,402,785.28/537,308.80
  6. Step 6: Final answer
    x = 383,891.73

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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.