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Finding the Fourth Proportional to 313,599.98, 432,768.35 and 170,360

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Solution

The fourth proportional to 313,599.98, 432,768.35 and 170,360 is: 235,097.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,599.98 : 432,768.35 = 170,360 : x
  2. Step 2: Convert to fraction form
    313,599.98/432,768.35 = 170,360/x
  3. Step 3: Cross multiply
    313,599.98x = 432,768.35 × 170,360
  4. Step 4: Simplify right side
    313,599.98x = 73,726,415,254.20
  5. Step 5: Solve for x
    x = 73,726,415,254.20/313,599.98
  6. Step 6: Final answer
    x = 235,097.00

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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.