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Finding the Fourth Proportional to 302,860.90, 453,307.20 and 302,860.90

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Solution

The fourth proportional to 302,860.90, 453,307.20 and 302,860.90 is: 453,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,860.90 : 453,307.20 = 302,860.90 : x
  2. Step 2: Convert to fraction form
    302,860.90/453,307.20 = 302,860.90/x
  3. Step 3: Cross multiply
    302,860.90x = 453,307.20 × 302,860.90
  4. Step 4: Simplify right side
    302,860.90x = 137,289,026,568.48
  5. Step 5: Solve for x
    x = 137,289,026,568.48/302,860.90
  6. Step 6: Final answer
    x = 453,307.20

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1.5x scale

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.