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Finding the Fourth Proportional to 898,419.60, 1,347,240.60 and 365,763.60

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Solution

The fourth proportional to 898,419.60, 1,347,240.60 and 365,763.60 is: 548,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,419.60 : 1,347,240.60 = 365,763.60 : x
  2. Step 2: Convert to fraction form
    898,419.60/1,347,240.60 = 365,763.60/x
  3. Step 3: Cross multiply
    898,419.60x = 1,347,240.60 × 365,763.60
  4. Step 4: Simplify right side
    898,419.60x = 492,771,571,922.16
  5. Step 5: Solve for x
    x = 492,771,571,922.16/898,419.60
  6. Step 6: Final answer
    x = 548,487.11

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1.5x scale

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.