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Finding the Fourth Proportional to 598,878,800.80, 896,806,546.80 and 393,293,802.40

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Solution

The fourth proportional to 598,878,800.80, 896,806,546.80 and 393,293,802.40 is: 588,947,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,878,800.80 : 896,806,546.80 = 393,293,802.40 : x
  2. Step 2: Convert to fraction form
    598,878,800.80/896,806,546.80 = 393,293,802.40/x
  3. Step 3: Cross multiply
    598,878,800.80x = 896,806,546.80 × 393,293,802.40
  4. Step 4: Simplify right side
    598,878,800.80x = 352,708,456,808,185,536
  5. Step 5: Solve for x
    x = 352,708,456,808,185,536/598,878,800.80
  6. Step 6: Final answer
    x = 588,947,974.68

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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.