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Finding the Fourth Proportional to 610,577.80, 916,005.90 and 189,896.20

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Solution

The fourth proportional to 610,577.80, 916,005.90 and 189,896.20 is: 284,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,577.80 : 916,005.90 = 189,896.20 : x
  2. Step 2: Convert to fraction form
    610,577.80/916,005.90 = 189,896.20/x
  3. Step 3: Cross multiply
    610,577.80x = 916,005.90 × 189,896.20
  4. Step 4: Simplify right side
    610,577.80x = 173,946,039,587.58
  5. Step 5: Solve for x
    x = 173,946,039,587.58/610,577.80
  6. Step 6: Final answer
    x = 284,887.59

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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.