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Finding the Fourth Proportional to 436,630.94, 602,550.60 and 243,034.47

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Solution

The fourth proportional to 436,630.94, 602,550.60 and 243,034.47 is: 335,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,630.94 : 602,550.60 = 243,034.47 : x
  2. Step 2: Convert to fraction form
    436,630.94/602,550.60 = 243,034.47/x
  3. Step 3: Cross multiply
    436,630.94x = 602,550.60 × 243,034.47
  4. Step 4: Simplify right side
    436,630.94x = 146,440,565,719.18
  5. Step 5: Solve for x
    x = 146,440,565,719.18/436,630.94
  6. Step 6: Final answer
    x = 335,387.52

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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.