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Finding the Fourth Proportional to 483,107.40, 723,278.70 and 483,107.40

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Solution

The fourth proportional to 483,107.40, 723,278.70 and 483,107.40 is: 723,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,107.40 : 723,278.70 = 483,107.40 : x
  2. Step 2: Convert to fraction form
    483,107.40/723,278.70 = 483,107.40/x
  3. Step 3: Cross multiply
    483,107.40x = 723,278.70 × 483,107.40
  4. Step 4: Simplify right side
    483,107.40x = 349,421,292,232.38
  5. Step 5: Solve for x
    x = 349,421,292,232.38/483,107.40
  6. Step 6: Final answer
    x = 723,278.70

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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.