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Finding the Fourth Proportional to 301,319.04, 415,755.32 and 173,920.82

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Solution

The fourth proportional to 301,319.04, 415,755.32 and 173,920.82 is: 239,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,319.04 : 415,755.32 = 173,920.82 : x
  2. Step 2: Convert to fraction form
    301,319.04/415,755.32 = 173,920.82/x
  3. Step 3: Cross multiply
    301,319.04x = 415,755.32 × 173,920.82
  4. Step 4: Simplify right side
    301,319.04x = 72,308,506,995.75
  5. Step 5: Solve for x
    x = 72,308,506,995.75/301,319.04
  6. Step 6: Final answer
    x = 239,973.24

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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.