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Finding the Fourth Proportional to 265,603.69, 366,429.04 and 163,451.80

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Solution

The fourth proportional to 265,603.69, 366,429.04 and 163,451.80 is: 225,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,603.69 : 366,429.04 = 163,451.80 : x
  2. Step 2: Convert to fraction form
    265,603.69/366,429.04 = 163,451.80/x
  3. Step 3: Cross multiply
    265,603.69x = 366,429.04 × 163,451.80
  4. Step 4: Simplify right side
    265,603.69x = 59,893,486,160.27
  5. Step 5: Solve for x
    x = 59,893,486,160.27/265,603.69
  6. Step 6: Final answer
    x = 225,499.45

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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.