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Finding the Fourth Proportional to 484,762.16, 667,488.12 and 483,362.48

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Solution

The fourth proportional to 484,762.16, 667,488.12 and 483,362.48 is: 665,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,762.16 : 667,488.12 = 483,362.48 : x
  2. Step 2: Convert to fraction form
    484,762.16/667,488.12 = 483,362.48/x
  3. Step 3: Cross multiply
    484,762.16x = 667,488.12 × 483,362.48
  4. Step 4: Simplify right side
    484,762.16x = 322,638,713,053.74
  5. Step 5: Solve for x
    x = 322,638,713,053.74/484,762.16
  6. Step 6: Final answer
    x = 665,560.85

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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.