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Finding the Fourth Proportional to 239,417.60, 330,412.67 and 146,323.34

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Solution

The fourth proportional to 239,417.60, 330,412.67 and 146,323.34 is: 201,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,417.60 : 330,412.67 = 146,323.34 : x
  2. Step 2: Convert to fraction form
    239,417.60/330,412.67 = 146,323.34/x
  3. Step 3: Cross multiply
    239,417.60x = 330,412.67 × 146,323.34
  4. Step 4: Simplify right side
    239,417.60x = 48,347,083,069.04
  5. Step 5: Solve for x
    x = 48,347,083,069.04/239,417.60
  6. Step 6: Final answer
    x = 201,936.22

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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.