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Finding the Fourth Proportional to 418,683.10, 577,770.32 and 237,411.58

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Solution

The fourth proportional to 418,683.10, 577,770.32 and 237,411.58 is: 327,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,683.10 : 577,770.32 = 237,411.58 : x
  2. Step 2: Convert to fraction form
    418,683.10/577,770.32 = 237,411.58/x
  3. Step 3: Cross multiply
    418,683.10x = 577,770.32 × 237,411.58
  4. Step 4: Simplify right side
    418,683.10x = 137,169,364,548.31
  5. Step 5: Solve for x
    x = 137,169,364,548.31/418,683.10
  6. Step 6: Final answer
    x = 327,620.97

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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.