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Finding the Fourth Proportional to 313,294.32, 432,346.59 and 170,054.46

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Solution

The fourth proportional to 313,294.32, 432,346.59 and 170,054.46 is: 234,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,294.32 : 432,346.59 = 170,054.46 : x
  2. Step 2: Convert to fraction form
    313,294.32/432,346.59 = 170,054.46/x
  3. Step 3: Cross multiply
    313,294.32x = 432,346.59 × 170,054.46
  4. Step 4: Simplify right side
    313,294.32x = 73,522,465,895.29
  5. Step 5: Solve for x
    x = 73,522,465,895.29/313,294.32
  6. Step 6: Final answer
    x = 234,675.39

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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.