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Finding the Fourth Proportional to 313,779.84, 433,019.57 and 170,539.92

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Solution

The fourth proportional to 313,779.84, 433,019.57 and 170,539.92 is: 235,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,779.84 : 433,019.57 = 170,539.92 : x
  2. Step 2: Convert to fraction form
    313,779.84/433,019.57 = 170,539.92/x
  3. Step 3: Cross multiply
    313,779.84x = 433,019.57 × 170,539.92
  4. Step 4: Simplify right side
    313,779.84x = 73,847,121,973.53
  5. Step 5: Solve for x
    x = 73,847,121,973.53/313,779.84
  6. Step 6: Final answer
    x = 235,346.93

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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.