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Finding the Fourth Proportional to 239,828,672.70, 359,743,009.05 and 239,828,672.70

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Solution

The fourth proportional to 239,828,672.70, 359,743,009.05 and 239,828,672.70 is: 359,743,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,828,672.70 : 359,743,009.05 = 239,828,672.70 : x
  2. Step 2: Convert to fraction form
    239,828,672.70/359,743,009.05 = 239,828,672.70/x
  3. Step 3: Cross multiply
    239,828,672.70x = 359,743,009.05 × 239,828,672.70
  4. Step 4: Simplify right side
    239,828,672.70x = 86,276,688,373,565,584
  5. Step 5: Solve for x
    x = 86,276,688,373,565,584/239,828,672.70
  6. Step 6: Final answer
    x = 359,743,009.05

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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.