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Finding the Fourth Proportional to 608,767.70, 840,124.19 and 336,831.17

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Solution

The fourth proportional to 608,767.70, 840,124.19 and 336,831.17 is: 464,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,767.70 : 840,124.19 = 336,831.17 : x
  2. Step 2: Convert to fraction form
    608,767.70/840,124.19 = 336,831.17/x
  3. Step 3: Cross multiply
    608,767.70x = 840,124.19 × 336,831.17
  4. Step 4: Simplify right side
    608,767.70x = 282,980,013,863.00
  5. Step 5: Solve for x
    x = 282,980,013,863.00/608,767.70
  6. Step 6: Final answer
    x = 464,840.72

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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.