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Finding the Fourth Proportional to 288,975.31, 433,587.58 and 111,606.88

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Solution

The fourth proportional to 288,975.31, 433,587.58 and 111,606.88 is: 167,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,975.31 : 433,587.58 = 111,606.88 : x
  2. Step 2: Convert to fraction form
    288,975.31/433,587.58 = 111,606.88/x
  3. Step 3: Cross multiply
    288,975.31x = 433,587.58 × 111,606.88
  4. Step 4: Simplify right side
    288,975.31x = 48,391,357,088.33
  5. Step 5: Solve for x
    x = 48,391,357,088.33/288,975.31
  6. Step 6: Final answer
    x = 167,458.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.