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Finding the Fourth Proportional to 529,808.19, 794,712.44 and 155,831.19

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Solution

The fourth proportional to 529,808.19, 794,712.44 and 155,831.19 is: 233,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,808.19 : 794,712.44 = 155,831.19 : x
  2. Step 2: Convert to fraction form
    529,808.19/794,712.44 = 155,831.19/x
  3. Step 3: Cross multiply
    529,808.19x = 794,712.44 × 155,831.19
  4. Step 4: Simplify right side
    529,808.19x = 123,840,986,031.61
  5. Step 5: Solve for x
    x = 123,840,986,031.61/529,808.19
  6. Step 6: Final answer
    x = 233,746.83

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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.