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Finding the Fourth Proportional to 436,289.60, 602,186.56 and 266,665.92

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Solution

The fourth proportional to 436,289.60, 602,186.56 and 266,665.92 is: 368,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,289.60 : 602,186.56 = 266,665.92 : x
  2. Step 2: Convert to fraction form
    436,289.60/602,186.56 = 266,665.92/x
  3. Step 3: Cross multiply
    436,289.60x = 602,186.56 × 266,665.92
  4. Step 4: Simplify right side
    436,289.60x = 160,582,633,034.04
  5. Step 5: Solve for x
    x = 160,582,633,034.04/436,289.60
  6. Step 6: Final answer
    x = 368,064.32

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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.