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Finding the Fourth Proportional to 255,387.69, 352,275.26 and 183,654.09

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Solution

The fourth proportional to 255,387.69, 352,275.26 and 183,654.09 is: 253,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,387.69 : 352,275.26 = 183,654.09 : x
  2. Step 2: Convert to fraction form
    255,387.69/352,275.26 = 183,654.09/x
  3. Step 3: Cross multiply
    255,387.69x = 352,275.26 × 183,654.09
  4. Step 4: Simplify right side
    255,387.69x = 64,696,791,386.54
  5. Step 5: Solve for x
    x = 64,696,791,386.54/255,387.69
  6. Step 6: Final answer
    x = 253,327.76

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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.