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Finding the Fourth Proportional to 407,374.40, 562,244.29 and 237,608.53

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Solution

The fourth proportional to 407,374.40, 562,244.29 and 237,608.53 is: 327,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,374.40 : 562,244.29 = 237,608.53 : x
  2. Step 2: Convert to fraction form
    407,374.40/562,244.29 = 237,608.53/x
  3. Step 3: Cross multiply
    407,374.40x = 562,244.29 × 237,608.53
  4. Step 4: Simplify right side
    407,374.40x = 133,594,037,248.16
  5. Step 5: Solve for x
    x = 133,594,037,248.16/407,374.40
  6. Step 6: Final answer
    x = 327,939.20

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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.