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Finding the Fourth Proportional to 650,803.71, 975,831.81 and 346,823.61

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Solution

The fourth proportional to 650,803.71, 975,831.81 and 346,823.61 is: 520,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,803.71 : 975,831.81 = 346,823.61 : x
  2. Step 2: Convert to fraction form
    650,803.71/975,831.81 = 346,823.61/x
  3. Step 3: Cross multiply
    650,803.71x = 975,831.81 × 346,823.61
  4. Step 4: Simplify right side
    650,803.71x = 338,441,511,097.03
  5. Step 5: Solve for x
    x = 338,441,511,097.03/650,803.71
  6. Step 6: Final answer
    x = 520,036.24

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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.