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Finding the Fourth Proportional to 632,901.39, 873,412.13 and 346,415.33

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Solution

The fourth proportional to 632,901.39, 873,412.13 and 346,415.33 is: 478,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,901.39 : 873,412.13 = 346,415.33 : x
  2. Step 2: Convert to fraction form
    632,901.39/873,412.13 = 346,415.33/x
  3. Step 3: Cross multiply
    632,901.39x = 873,412.13 × 346,415.33
  4. Step 4: Simplify right side
    632,901.39x = 302,563,351,239.95
  5. Step 5: Solve for x
    x = 302,563,351,239.95/632,901.39
  6. Step 6: Final answer
    x = 478,057.65

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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.