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Finding the Fourth Proportional to 503,785.20, 706,232.40 and 503,785.20

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Solution

The fourth proportional to 503,785.20, 706,232.40 and 503,785.20 is: 706,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,785.20 : 706,232.40 = 503,785.20 : x
  2. Step 2: Convert to fraction form
    503,785.20/706,232.40 = 503,785.20/x
  3. Step 3: Cross multiply
    503,785.20x = 706,232.40 × 503,785.20
  4. Step 4: Simplify right side
    503,785.20x = 355,789,430,880.48
  5. Step 5: Solve for x
    x = 355,789,430,880.48/503,785.20
  6. Step 6: Final answer
    x = 706,232.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.