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Finding the Fourth Proportional to 598,681.21, 897,544.95 and 345,674.71

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Solution

The fourth proportional to 598,681.21, 897,544.95 and 345,674.71 is: 518,236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,681.21 : 897,544.95 = 345,674.71 : x
  2. Step 2: Convert to fraction form
    598,681.21/897,544.95 = 345,674.71/x
  3. Step 3: Cross multiply
    598,681.21x = 897,544.95 × 345,674.71
  4. Step 4: Simplify right side
    598,681.21x = 310,258,590,303.22
  5. Step 5: Solve for x
    x = 310,258,590,303.22/598,681.21
  6. Step 6: Final answer
    x = 518,236.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.