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Finding the Fourth Proportional to 590,341,656.80, 885,890,398.80 and 344,697,816.80

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Solution

The fourth proportional to 590,341,656.80, 885,890,398.80 and 344,697,816.80 is: 517,267,387.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,341,656.80 : 885,890,398.80 = 344,697,816.80 : x
  2. Step 2: Convert to fraction form
    590,341,656.80/885,890,398.80 = 344,697,816.80/x
  3. Step 3: Cross multiply
    590,341,656.80x = 885,890,398.80 × 344,697,816.80
  4. Step 4: Simplify right side
    590,341,656.80x = 305,364,486,390,441,344
  5. Step 5: Solve for x
    x = 305,364,486,390,441,344/590,341,656.80
  6. Step 6: Final answer
    x = 517,267,387.24

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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.