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Finding the Fourth Proportional to 648,505.74, 894,680.73 and 433,304.94

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Solution

The fourth proportional to 648,505.74, 894,680.73 and 433,304.94 is: 597,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,505.74 : 894,680.73 = 433,304.94 : x
  2. Step 2: Convert to fraction form
    648,505.74/894,680.73 = 433,304.94/x
  3. Step 3: Cross multiply
    648,505.74x = 894,680.73 × 433,304.94
  4. Step 4: Simplify right side
    648,505.74x = 387,669,580,031.81
  5. Step 5: Solve for x
    x = 387,669,580,031.81/648,505.74
  6. Step 6: Final answer
    x = 597,788.97

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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.