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Finding the Fourth Proportional to 459,275.88, 633,751.02 and 255,335.52

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Solution

The fourth proportional to 459,275.88, 633,751.02 and 255,335.52 is: 352,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,275.88 : 633,751.02 = 255,335.52 : x
  2. Step 2: Convert to fraction form
    459,275.88/633,751.02 = 255,335.52/x
  3. Step 3: Cross multiply
    459,275.88x = 633,751.02 × 255,335.52
  4. Step 4: Simplify right side
    459,275.88x = 161,819,146,242.23
  5. Step 5: Solve for x
    x = 161,819,146,242.23/459,275.88
  6. Step 6: Final answer
    x = 352,335.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.