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Finding the Fourth Proportional to 650,328.60, 897,506.56 and 374,772.18

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Solution

The fourth proportional to 650,328.60, 897,506.56 and 374,772.18 is: 517,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,328.60 : 897,506.56 = 374,772.18 : x
  2. Step 2: Convert to fraction form
    650,328.60/897,506.56 = 374,772.18/x
  3. Step 3: Cross multiply
    650,328.60x = 897,506.56 × 374,772.18
  4. Step 4: Simplify right side
    650,328.60x = 336,360,490,055.50
  5. Step 5: Solve for x
    x = 336,360,490,055.50/650,328.60
  6. Step 6: Final answer
    x = 517,216.20

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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.