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Finding the Fourth Proportional to 353,159.84, 529,727.88 and 153,480.24

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Solution

The fourth proportional to 353,159.84, 529,727.88 and 153,480.24 is: 230,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,159.84 : 529,727.88 = 153,480.24 : x
  2. Step 2: Convert to fraction form
    353,159.84/529,727.88 = 153,480.24/x
  3. Step 3: Cross multiply
    353,159.84x = 529,727.88 × 153,480.24
  4. Step 4: Simplify right side
    353,159.84x = 81,302,763,413.14
  5. Step 5: Solve for x
    x = 81,302,763,413.14/353,159.84
  6. Step 6: Final answer
    x = 230,215.20

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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.