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Finding the Fourth Proportional to 632,496.69, 872,865.99 and 346,016.77

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Solution

The fourth proportional to 632,496.69, 872,865.99 and 346,016.77 is: 477,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,496.69 : 872,865.99 = 346,016.77 : x
  2. Step 2: Convert to fraction form
    632,496.69/872,865.99 = 346,016.77/x
  3. Step 3: Cross multiply
    632,496.69x = 872,865.99 × 346,016.77
  4. Step 4: Simplify right side
    632,496.69x = 302,026,272,998.07
  5. Step 5: Solve for x
    x = 302,026,272,998.07/632,496.69
  6. Step 6: Final answer
    x = 477,514.39

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Double scale
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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.