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Finding the Fourth Proportional to 402,169.56, 554,933.79 and 230,060.16

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Solution

The fourth proportional to 402,169.56, 554,933.79 and 230,060.16 is: 317,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,169.56 : 554,933.79 = 230,060.16 : x
  2. Step 2: Convert to fraction form
    402,169.56/554,933.79 = 230,060.16/x
  3. Step 3: Cross multiply
    402,169.56x = 554,933.79 × 230,060.16
  4. Step 4: Simplify right side
    402,169.56x = 127,668,156,516.81
  5. Step 5: Solve for x
    x = 127,668,156,516.81/402,169.56
  6. Step 6: Final answer
    x = 317,448.58

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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.