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Finding the Fourth Proportional to 628,232.40, 940,793.40 and 503,816.40

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Solution

The fourth proportional to 628,232.40, 940,793.40 and 503,816.40 is: 754,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,232.40 : 940,793.40 = 503,816.40 : x
  2. Step 2: Convert to fraction form
    628,232.40/940,793.40 = 503,816.40/x
  3. Step 3: Cross multiply
    628,232.40x = 940,793.40 × 503,816.40
  4. Step 4: Simplify right side
    628,232.40x = 473,987,143,931.76
  5. Step 5: Solve for x
    x = 473,987,143,931.76/628,232.40
  6. Step 6: Final answer
    x = 754,477.39

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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.