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Finding the Fourth Proportional to 302,428,872.90, 453,643,309.35 and 302,428,872.90

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Solution

The fourth proportional to 302,428,872.90, 453,643,309.35 and 302,428,872.90 is: 453,643,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,428,872.90 : 453,643,309.35 = 302,428,872.90 : x
  2. Step 2: Convert to fraction form
    302,428,872.90/453,643,309.35 = 302,428,872.90/x
  3. Step 3: Cross multiply
    302,428,872.90x = 453,643,309.35 × 302,428,872.90
  4. Step 4: Simplify right side
    302,428,872.90x = 137,194,834,745,346,528
  5. Step 5: Solve for x
    x = 137,194,834,745,346,528/302,428,872.90
  6. Step 6: Final answer
    x = 453,643,309.35

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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.