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Finding the Fourth Proportional to 294,648.31, 406,603.88 and 180,118.76

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Solution

The fourth proportional to 294,648.31, 406,603.88 and 180,118.76 is: 248,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,648.31 : 406,603.88 = 180,118.76 : x
  2. Step 2: Convert to fraction form
    294,648.31/406,603.88 = 180,118.76/x
  3. Step 3: Cross multiply
    294,648.31x = 406,603.88 × 180,118.76
  4. Step 4: Simplify right side
    294,648.31x = 73,236,985,776.20
  5. Step 5: Solve for x
    x = 73,236,985,776.20/294,648.31
  6. Step 6: Final answer
    x = 248,557.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.