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Finding the Fourth Proportional to 675,578.01, 932,297.16 and 369,656.40

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Solution

The fourth proportional to 675,578.01, 932,297.16 and 369,656.40 is: 510,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,578.01 : 932,297.16 = 369,656.40 : x
  2. Step 2: Convert to fraction form
    675,578.01/932,297.16 = 369,656.40/x
  3. Step 3: Cross multiply
    675,578.01x = 932,297.16 × 369,656.40
  4. Step 4: Simplify right side
    675,578.01x = 344,629,611,895.82
  5. Step 5: Solve for x
    x = 344,629,611,895.82/675,578.01
  6. Step 6: Final answer
    x = 510,125.56

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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.