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Finding the Fourth Proportional to 314,000.18, 433,316.18 and 170,757.15

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Solution

The fourth proportional to 314,000.18, 433,316.18 and 170,757.15 is: 235,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,000.18 : 433,316.18 = 170,757.15 : x
  2. Step 2: Convert to fraction form
    314,000.18/433,316.18 = 170,757.15/x
  3. Step 3: Cross multiply
    314,000.18x = 433,316.18 × 170,757.15
  4. Step 4: Simplify right side
    314,000.18x = 73,991,834,747.64
  5. Step 5: Solve for x
    x = 73,991,834,747.64/314,000.18
  6. Step 6: Final answer
    x = 235,642.65

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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.