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Finding the Fourth Proportional to 313,296.10, 432,347.16 and 170,054.89

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Solution

The fourth proportional to 313,296.10, 432,347.16 and 170,054.89 is: 234,674.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,296.10 : 432,347.16 = 170,054.89 : x
  2. Step 2: Convert to fraction form
    313,296.10/432,347.16 = 170,054.89/x
  3. Step 3: Cross multiply
    313,296.10x = 432,347.16 × 170,054.89
  4. Step 4: Simplify right side
    313,296.10x = 73,522,748,735.61
  5. Step 5: Solve for x
    x = 73,522,748,735.61/313,296.10
  6. Step 6: Final answer
    x = 234,674.96

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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.