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Finding the Fourth Proportional to 367,997,411.80, 551,996,117.70 and 245,553,405.40

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Solution

The fourth proportional to 367,997,411.80, 551,996,117.70 and 245,553,405.40 is: 368,330,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,997,411.80 : 551,996,117.70 = 245,553,405.40 : x
  2. Step 2: Convert to fraction form
    367,997,411.80/551,996,117.70 = 245,553,405.40/x
  3. Step 3: Cross multiply
    367,997,411.80x = 551,996,117.70 × 245,553,405.40
  4. Step 4: Simplify right side
    367,997,411.80x = 135,544,526,468,814,224
  5. Step 5: Solve for x
    x = 135,544,526,468,814,224/367,997,411.80
  6. Step 6: Final answer
    x = 368,330,108.10

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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.