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Finding the Fourth Proportional to 467,528.58, 645,189.54 and 266,324.58

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Solution

The fourth proportional to 467,528.58, 645,189.54 and 266,324.58 is: 367,527.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,528.58 : 645,189.54 = 266,324.58 : x
  2. Step 2: Convert to fraction form
    467,528.58/645,189.54 = 266,324.58/x
  3. Step 3: Cross multiply
    467,528.58x = 645,189.54 × 266,324.58
  4. Step 4: Simplify right side
    467,528.58x = 171,829,833,260.89
  5. Step 5: Solve for x
    x = 171,829,833,260.89/467,528.58
  6. Step 6: Final answer
    x = 367,527.98

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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.