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Finding the Fourth Proportional to 313,275.84, 432,319.57 and 170,035.89

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Solution

The fourth proportional to 313,275.84, 432,319.57 and 170,035.89 is: 234,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,275.84 : 432,319.57 = 170,035.89 : x
  2. Step 2: Convert to fraction form
    313,275.84/432,319.57 = 170,035.89/x
  3. Step 3: Cross multiply
    313,275.84x = 432,319.57 × 170,035.89
  4. Step 4: Simplify right side
    313,275.84x = 73,509,842,849.37
  5. Step 5: Solve for x
    x = 73,509,842,849.37/313,275.84
  6. Step 6: Final answer
    x = 234,648.94

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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.