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Finding the Fourth Proportional to 448,221.60, 672,332.40 and 167,702.40

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Solution

The fourth proportional to 448,221.60, 672,332.40 and 167,702.40 is: 251,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,221.60 : 672,332.40 = 167,702.40 : x
  2. Step 2: Convert to fraction form
    448,221.60/672,332.40 = 167,702.40/x
  3. Step 3: Cross multiply
    448,221.60x = 672,332.40 × 167,702.40
  4. Step 4: Simplify right side
    448,221.60x = 112,751,757,077.76
  5. Step 5: Solve for x
    x = 112,751,757,077.76/448,221.60
  6. Step 6: Final answer
    x = 251,553.60

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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.