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Finding the Fourth Proportional to 679,560.36, 937,773.46 and 373,636.42

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Solution

The fourth proportional to 679,560.36, 937,773.46 and 373,636.42 is: 515,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,560.36 : 937,773.46 = 373,636.42 : x
  2. Step 2: Convert to fraction form
    679,560.36/937,773.46 = 373,636.42/x
  3. Step 3: Cross multiply
    679,560.36x = 937,773.46 × 373,636.42
  4. Step 4: Simplify right side
    679,560.36x = 350,386,316,488.03
  5. Step 5: Solve for x
    x = 350,386,316,488.03/679,560.36
  6. Step 6: Final answer
    x = 515,607.35

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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.