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Finding the Fourth Proportional to 291,772.59, 402,762.14 and 250,774.44

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Solution

The fourth proportional to 291,772.59, 402,762.14 and 250,774.44 is: 346,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,772.59 : 402,762.14 = 250,774.44 : x
  2. Step 2: Convert to fraction form
    291,772.59/402,762.14 = 250,774.44/x
  3. Step 3: Cross multiply
    291,772.59x = 402,762.14 × 250,774.44
  4. Step 4: Simplify right side
    291,772.59x = 101,002,450,111.70
  5. Step 5: Solve for x
    x = 101,002,450,111.70/291,772.59
  6. Step 6: Final answer
    x = 346,168.40

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1.5x scale

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.