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Finding the Fourth Proportional to 675,540.90, 932,239.53 and 373,737.06

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Solution

The fourth proportional to 675,540.90, 932,239.53 and 373,737.06 is: 515,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,540.90 : 932,239.53 = 373,737.06 : x
  2. Step 2: Convert to fraction form
    675,540.90/932,239.53 = 373,737.06/x
  3. Step 3: Cross multiply
    675,540.90x = 932,239.53 × 373,737.06
  4. Step 4: Simplify right side
    675,540.90x = 348,412,461,157.98
  5. Step 5: Solve for x
    x = 348,412,461,157.98/675,540.90
  6. Step 6: Final answer
    x = 515,753.32

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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.