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Finding the Fourth Proportional to 232,457.80, 348,686.70 and 228,521.20

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Solution

The fourth proportional to 232,457.80, 348,686.70 and 228,521.20 is: 342,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,457.80 : 348,686.70 = 228,521.20 : x
  2. Step 2: Convert to fraction form
    232,457.80/348,686.70 = 228,521.20/x
  3. Step 3: Cross multiply
    232,457.80x = 348,686.70 × 228,521.20
  4. Step 4: Simplify right side
    232,457.80x = 79,682,303,108.04
  5. Step 5: Solve for x
    x = 79,682,303,108.04/232,457.80
  6. Step 6: Final answer
    x = 342,781.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.