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Finding the Fourth Proportional to 679,599.57, 937,823.40 and 373,673.81

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Solution

The fourth proportional to 679,599.57, 937,823.40 and 373,673.81 is: 515,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,599.57 : 937,823.40 = 373,673.81 : x
  2. Step 2: Convert to fraction form
    679,599.57/937,823.40 = 373,673.81/x
  3. Step 3: Cross multiply
    679,599.57x = 937,823.40 × 373,673.81
  4. Step 4: Simplify right side
    679,599.57x = 350,440,044,007.07
  5. Step 5: Solve for x
    x = 350,440,044,007.07/679,599.57
  6. Step 6: Final answer
    x = 515,656.66

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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.