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Finding the Fourth Proportional to 665,302.30, 997,953.45 and 192,003.10

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Solution

The fourth proportional to 665,302.30, 997,953.45 and 192,003.10 is: 288,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,302.30 : 997,953.45 = 192,003.10 : x
  2. Step 2: Convert to fraction form
    665,302.30/997,953.45 = 192,003.10/x
  3. Step 3: Cross multiply
    665,302.30x = 997,953.45 × 192,003.10
  4. Step 4: Simplify right side
    665,302.30x = 191,610,156,055.70
  5. Step 5: Solve for x
    x = 191,610,156,055.70/665,302.30
  6. Step 6: Final answer
    x = 288,004.65

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Double scale
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Similar ratio
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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.