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Finding the Fourth Proportional to 409,578.16, 565,208.18 and 237,526.86

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Solution

The fourth proportional to 409,578.16, 565,208.18 and 237,526.86 is: 327,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,578.16 : 565,208.18 = 237,526.86 : x
  2. Step 2: Convert to fraction form
    409,578.16/565,208.18 = 237,526.86/x
  3. Step 3: Cross multiply
    409,578.16x = 565,208.18 × 237,526.86
  4. Step 4: Simplify right side
    409,578.16x = 134,252,124,241.72
  5. Step 5: Solve for x
    x = 134,252,124,241.72/409,578.16
  6. Step 6: Final answer
    x = 327,781.45

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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.