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Finding the Fourth Proportional to 313,285.06, 432,333.78 and 170,045.06

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Solution

The fourth proportional to 313,285.06, 432,333.78 and 170,045.06 is: 234,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,285.06 : 432,333.78 = 170,045.06 : x
  2. Step 2: Convert to fraction form
    313,285.06/432,333.78 = 170,045.06/x
  3. Step 3: Cross multiply
    313,285.06x = 432,333.78 × 170,045.06
  4. Step 4: Simplify right side
    313,285.06x = 73,516,224,640.96
  5. Step 5: Solve for x
    x = 73,516,224,640.96/313,285.06
  6. Step 6: Final answer
    x = 234,662.40

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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.