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Finding the Fourth Proportional to 313,602.32, 432,774.88 and 170,364.62

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Solution

The fourth proportional to 313,602.32, 432,774.88 and 170,364.62 is: 235,105.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,602.32 : 432,774.88 = 170,364.62 : x
  2. Step 2: Convert to fraction form
    313,602.32/432,774.88 = 170,364.62/x
  3. Step 3: Cross multiply
    313,602.32x = 432,774.88 × 170,364.62
  4. Step 4: Simplify right side
    313,602.32x = 73,729,525,386.96
  5. Step 5: Solve for x
    x = 73,729,525,386.96/313,602.32
  6. Step 6: Final answer
    x = 235,105.17

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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.