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Finding the Fourth Proportional to 302,661,281.80, 453,991,922.70 and 229,481,856.10

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Solution

The fourth proportional to 302,661,281.80, 453,991,922.70 and 229,481,856.10 is: 344,222,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,661,281.80 : 453,991,922.70 = 229,481,856.10 : x
  2. Step 2: Convert to fraction form
    302,661,281.80/453,991,922.70 = 229,481,856.10/x
  3. Step 3: Cross multiply
    302,661,281.80x = 453,991,922.70 × 229,481,856.10
  4. Step 4: Simplify right side
    302,661,281.80x = 104,182,909,075,603,712
  5. Step 5: Solve for x
    x = 104,182,909,075,603,712/302,661,281.80
  6. Step 6: Final answer
    x = 344,222,784.15

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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.