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Finding the Fourth Proportional to 302,454.30, 453,681.45 and 297,788.70

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Solution

The fourth proportional to 302,454.30, 453,681.45 and 297,788.70 is: 446,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,454.30 : 453,681.45 = 297,788.70 : x
  2. Step 2: Convert to fraction form
    302,454.30/453,681.45 = 297,788.70/x
  3. Step 3: Cross multiply
    302,454.30x = 453,681.45 × 297,788.70
  4. Step 4: Simplify right side
    302,454.30x = 135,101,209,209.62
  5. Step 5: Solve for x
    x = 135,101,209,209.62/302,454.30
  6. Step 6: Final answer
    x = 446,683.05

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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.