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Finding the Fourth Proportional to 302,893.80, 454,362.30 and 92,531.40

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Solution

The fourth proportional to 302,893.80, 454,362.30 and 92,531.40 is: 138,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,893.80 : 454,362.30 = 92,531.40 : x
  2. Step 2: Convert to fraction form
    302,893.80/454,362.30 = 92,531.40/x
  3. Step 3: Cross multiply
    302,893.80x = 454,362.30 × 92,531.40
  4. Step 4: Simplify right side
    302,893.80x = 42,042,779,726.22
  5. Step 5: Solve for x
    x = 42,042,779,726.22/302,893.80
  6. Step 6: Final answer
    x = 138,803.70

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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.