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Finding the Fourth Proportional to 542,532.42, 813,632.43 and 375,128.51

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Solution

The fourth proportional to 542,532.42, 813,632.43 and 375,128.51 is: 562,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,532.42 : 813,632.43 = 375,128.51 : x
  2. Step 2: Convert to fraction form
    542,532.42/813,632.43 = 375,128.51/x
  3. Step 3: Cross multiply
    542,532.42x = 813,632.43 × 375,128.51
  4. Step 4: Simplify right side
    542,532.42x = 305,216,718,207.91
  5. Step 5: Solve for x
    x = 305,216,718,207.91/542,532.42
  6. Step 6: Final answer
    x = 562,577.84

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