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Finding the Fourth Proportional to 651,648.16, 899,299.92 and 365,170.72

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Solution

The fourth proportional to 651,648.16, 899,299.92 and 365,170.72 is: 503,949.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,648.16 : 899,299.92 = 365,170.72 : x
  2. Step 2: Convert to fraction form
    651,648.16/899,299.92 = 365,170.72/x
  3. Step 3: Cross multiply
    651,648.16x = 899,299.92 × 365,170.72
  4. Step 4: Simplify right side
    651,648.16x = 328,397,999,282.34
  5. Step 5: Solve for x
    x = 328,397,999,282.34/651,648.16
  6. Step 6: Final answer
    x = 503,949.86

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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.