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Finding the Fourth Proportional to 632,536.70, 872,910.49 and 346,061.57

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Solution

The fourth proportional to 632,536.70, 872,910.49 and 346,061.57 is: 477,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,536.70 : 872,910.49 = 346,061.57 : x
  2. Step 2: Convert to fraction form
    632,536.70/872,910.49 = 346,061.57/x
  3. Step 3: Cross multiply
    632,536.70x = 872,910.49 × 346,061.57
  4. Step 4: Simplify right side
    632,536.70x = 302,080,774,638.87
  5. Step 5: Solve for x
    x = 302,080,774,638.87/632,536.70
  6. Step 6: Final answer
    x = 477,570.35

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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.