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Finding the Fourth Proportional to 679,648.02, 937,894.44 and 373,724.07

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Solution

The fourth proportional to 679,648.02, 937,894.44 and 373,724.07 is: 515,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,648.02 : 937,894.44 = 373,724.07 : x
  2. Step 2: Convert to fraction form
    679,648.02/937,894.44 = 373,724.07/x
  3. Step 3: Cross multiply
    679,648.02x = 937,894.44 × 373,724.07
  4. Step 4: Simplify right side
    679,648.02x = 350,513,727,347.17
  5. Step 5: Solve for x
    x = 350,513,727,347.17/679,648.02
  6. Step 6: Final answer
    x = 515,728.31

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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.