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Finding the Fourth Proportional to 301,925.52, 416,667.78 and 172,887.12

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Solution

The fourth proportional to 301,925.52, 416,667.78 and 172,887.12 is: 238,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,925.52 : 416,667.78 = 172,887.12 : x
  2. Step 2: Convert to fraction form
    301,925.52/416,667.78 = 172,887.12/x
  3. Step 3: Cross multiply
    301,925.52x = 416,667.78 × 172,887.12
  4. Step 4: Simplify right side
    301,925.52x = 72,036,492,480.99
  5. Step 5: Solve for x
    x = 72,036,492,480.99/301,925.52
  6. Step 6: Final answer
    x = 238,590.27

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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.