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Finding the Fourth Proportional to 375,686.37, 518,500.36 and 232,492.55

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Solution

The fourth proportional to 375,686.37, 518,500.36 and 232,492.55 is: 320,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,686.37 : 518,500.36 = 232,492.55 : x
  2. Step 2: Convert to fraction form
    375,686.37/518,500.36 = 232,492.55/x
  3. Step 3: Cross multiply
    375,686.37x = 518,500.36 × 232,492.55
  4. Step 4: Simplify right side
    375,686.37x = 120,547,467,117.35
  5. Step 5: Solve for x
    x = 120,547,467,117.35/375,686.37
  6. Step 6: Final answer
    x = 320,872.61

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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.