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Finding the Fourth Proportional to 551,142,353.80, 826,713,530.70 and 223,774,697.80

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Solution

The fourth proportional to 551,142,353.80, 826,713,530.70 and 223,774,697.80 is: 335,662,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,142,353.80 : 826,713,530.70 = 223,774,697.80 : x
  2. Step 2: Convert to fraction form
    551,142,353.80/826,713,530.70 = 223,774,697.80/x
  3. Step 3: Cross multiply
    551,142,353.80x = 826,713,530.70 × 223,774,697.80
  4. Step 4: Simplify right side
    551,142,353.80x = 184,997,570,499,563,552
  5. Step 5: Solve for x
    x = 184,997,570,499,563,552/551,142,353.80
  6. Step 6: Final answer
    x = 335,662,046.70

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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.