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Finding the Fourth Proportional to 632,718.30, 873,151.32 and 346,238.44

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Solution

The fourth proportional to 632,718.30, 873,151.32 and 346,238.44 is: 477,809.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,718.30 : 873,151.32 = 346,238.44 : x
  2. Step 2: Convert to fraction form
    632,718.30/873,151.32 = 346,238.44/x
  3. Step 3: Cross multiply
    632,718.30x = 873,151.32 × 346,238.44
  4. Step 4: Simplify right side
    632,718.30x = 302,318,550,920.74
  5. Step 5: Solve for x
    x = 302,318,550,920.74/632,718.30
  6. Step 6: Final answer
    x = 477,809.08

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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.