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Finding the Fourth Proportional to 679,598.81, 937,870.44 and 373,698.46

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Solution

The fourth proportional to 679,598.81, 937,870.44 and 373,698.46 is: 515,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,598.81 : 937,870.44 = 373,698.46 : x
  2. Step 2: Convert to fraction form
    679,598.81/937,870.44 = 373,698.46/x
  3. Step 3: Cross multiply
    679,598.81x = 937,870.44 × 373,698.46
  4. Step 4: Simplify right side
    679,598.81x = 350,480,736,762.85
  5. Step 5: Solve for x
    x = 350,480,736,762.85/679,598.81
  6. Step 6: Final answer
    x = 515,717.12

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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.