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Finding the Fourth Proportional to 605,314.60, 907,626.30 and 249,908.20

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Solution

The fourth proportional to 605,314.60, 907,626.30 and 249,908.20 is: 374,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,314.60 : 907,626.30 = 249,908.20 : x
  2. Step 2: Convert to fraction form
    605,314.60/907,626.30 = 249,908.20/x
  3. Step 3: Cross multiply
    605,314.60x = 907,626.30 × 249,908.20
  4. Step 4: Simplify right side
    605,314.60x = 226,823,254,905.66
  5. Step 5: Solve for x
    x = 226,823,254,905.66/605,314.60
  6. Step 6: Final answer
    x = 374,719.62

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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.