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Finding the Fourth Proportional to 302,986,646.40, 454,479,969.60 and 302,986,646.40

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Solution

The fourth proportional to 302,986,646.40, 454,479,969.60 and 302,986,646.40 is: 454,479,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,986,646.40 : 454,479,969.60 = 302,986,646.40 : x
  2. Step 2: Convert to fraction form
    302,986,646.40/454,479,969.60 = 302,986,646.40/x
  3. Step 3: Cross multiply
    302,986,646.40x = 454,479,969.60 × 302,986,646.40
  4. Step 4: Simplify right side
    302,986,646.40x = 137,701,361,845,077,952
  5. Step 5: Solve for x
    x = 137,701,361,845,077,952/302,986,646.40
  6. Step 6: Final answer
    x = 454,479,969.60

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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.