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Finding the Fourth Proportional to 319,703.90, 441,202.07 and 174,518.30

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Solution

The fourth proportional to 319,703.90, 441,202.07 and 174,518.30 is: 240,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,703.90 : 441,202.07 = 174,518.30 : x
  2. Step 2: Convert to fraction form
    319,703.90/441,202.07 = 174,518.30/x
  3. Step 3: Cross multiply
    319,703.90x = 441,202.07 × 174,518.30
  4. Step 4: Simplify right side
    319,703.90x = 76,997,833,443.17
  5. Step 5: Solve for x
    x = 76,997,833,443.17/319,703.90
  6. Step 6: Final answer
    x = 240,841.08

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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.