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Finding the Fourth Proportional to 239,659.56, 357,666.84 and 213,088.32

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Solution

The fourth proportional to 239,659.56, 357,666.84 and 213,088.32 is: 318,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,659.56 : 357,666.84 = 213,088.32 : x
  2. Step 2: Convert to fraction form
    239,659.56/357,666.84 = 213,088.32/x
  3. Step 3: Cross multiply
    239,659.56x = 357,666.84 × 213,088.32
  4. Step 4: Simplify right side
    239,659.56x = 76,214,626,055.31
  5. Step 5: Solve for x
    x = 76,214,626,055.31/239,659.56
  6. Step 6: Final answer
    x = 318,012.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.