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Finding the Fourth Proportional to 310,968.98, 429,133.34 and 175,003.18

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Solution

The fourth proportional to 310,968.98, 429,133.34 and 175,003.18 is: 241,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,968.98 : 429,133.34 = 175,003.18 : x
  2. Step 2: Convert to fraction form
    310,968.98/429,133.34 = 175,003.18/x
  3. Step 3: Cross multiply
    310,968.98x = 429,133.34 × 175,003.18
  4. Step 4: Simplify right side
    310,968.98x = 75,099,699,144.02
  5. Step 5: Solve for x
    x = 75,099,699,144.02/310,968.98
  6. Step 6: Final answer
    x = 241,502.22

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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.