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Finding the Fourth Proportional to 651,880.40, 977,237.40 and 252,388.40

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Solution

The fourth proportional to 651,880.40, 977,237.40 and 252,388.40 is: 378,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,880.40 : 977,237.40 = 252,388.40 : x
  2. Step 2: Convert to fraction form
    651,880.40/977,237.40 = 252,388.40/x
  3. Step 3: Cross multiply
    651,880.40x = 977,237.40 × 252,388.40
  4. Step 4: Simplify right side
    651,880.40x = 246,643,383,806.16
  5. Step 5: Solve for x
    x = 246,643,383,806.16/651,880.40
  6. Step 6: Final answer
    x = 378,356.80

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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.