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Finding the Fourth Proportional to 373,376.57, 515,298.54 and 230,132.93

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Solution

The fourth proportional to 373,376.57, 515,298.54 and 230,132.93 is: 317,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,376.57 : 515,298.54 = 230,132.93 : x
  2. Step 2: Convert to fraction form
    373,376.57/515,298.54 = 230,132.93/x
  3. Step 3: Cross multiply
    373,376.57x = 515,298.54 × 230,132.93
  4. Step 4: Simplify right side
    373,376.57x = 118,587,160,258.43
  5. Step 5: Solve for x
    x = 118,587,160,258.43/373,376.57
  6. Step 6: Final answer
    x = 317,607.40

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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.