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Finding the Fourth Proportional to 633,216.88, 873,859.12 and 346,764.16

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Solution

The fourth proportional to 633,216.88, 873,859.12 and 346,764.16 is: 478,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,216.88 : 873,859.12 = 346,764.16 : x
  2. Step 2: Convert to fraction form
    633,216.88/873,859.12 = 346,764.16/x
  3. Step 3: Cross multiply
    633,216.88x = 873,859.12 × 346,764.16
  4. Step 4: Simplify right side
    633,216.88x = 303,023,023,705.14
  5. Step 5: Solve for x
    x = 303,023,023,705.14/633,216.88
  6. Step 6: Final answer
    x = 478,545.40

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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.