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Finding the Fourth Proportional to 373,647.60, 515,099.52 and 230,312.16

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Solution

The fourth proportional to 373,647.60, 515,099.52 and 230,312.16 is: 317,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,647.60 : 515,099.52 = 230,312.16 : x
  2. Step 2: Convert to fraction form
    373,647.60/515,099.52 = 230,312.16/x
  3. Step 3: Cross multiply
    373,647.60x = 515,099.52 × 230,312.16
  4. Step 4: Simplify right side
    373,647.60x = 118,633,683,066.16
  5. Step 5: Solve for x
    x = 118,633,683,066.16/373,647.60
  6. Step 6: Final answer
    x = 317,501.53

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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.