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Finding the Fourth Proportional to 302,605.30, 453,907.95 and 282,922.30

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Solution

The fourth proportional to 302,605.30, 453,907.95 and 282,922.30 is: 424,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,605.30 : 453,907.95 = 282,922.30 : x
  2. Step 2: Convert to fraction form
    302,605.30/453,907.95 = 282,922.30/x
  3. Step 3: Cross multiply
    302,605.30x = 453,907.95 × 282,922.30
  4. Step 4: Simplify right side
    302,605.30x = 128,420,681,202.29
  5. Step 5: Solve for x
    x = 128,420,681,202.29/302,605.30
  6. Step 6: Final answer
    x = 424,383.45

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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.