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Finding the Fourth Proportional to 325,482.24, 488,223.48 and 156,971.16

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Solution

The fourth proportional to 325,482.24, 488,223.48 and 156,971.16 is: 235,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,482.24 : 488,223.48 = 156,971.16 : x
  2. Step 2: Convert to fraction form
    325,482.24/488,223.48 = 156,971.16/x
  3. Step 3: Cross multiply
    325,482.24x = 488,223.48 × 156,971.16
  4. Step 4: Simplify right side
    325,482.24x = 76,637,005,994.84
  5. Step 5: Solve for x
    x = 76,637,005,994.84/325,482.24
  6. Step 6: Final answer
    x = 235,456.80

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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.