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Finding the Fourth Proportional to 303,264,411.20, 454,896,616.80 and 300,996,929.60

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Solution

The fourth proportional to 303,264,411.20, 454,896,616.80 and 300,996,929.60 is: 451,495,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,264,411.20 : 454,896,616.80 = 300,996,929.60 : x
  2. Step 2: Convert to fraction form
    303,264,411.20/454,896,616.80 = 300,996,929.60/x
  3. Step 3: Cross multiply
    303,264,411.20x = 454,896,616.80 × 300,996,929.60
  4. Step 4: Simplify right side
    303,264,411.20x = 136,922,484,942,227,792
  5. Step 5: Solve for x
    x = 136,922,484,942,227,792/303,264,411.20
  6. Step 6: Final answer
    x = 451,495,394.40

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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.