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Finding the Fourth Proportional to 632,670.74, 873,085.59 and 346,190.84

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Solution

The fourth proportional to 632,670.74, 873,085.59 and 346,190.84 is: 477,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,670.74 : 873,085.59 = 346,190.84 : x
  2. Step 2: Convert to fraction form
    632,670.74/873,085.59 = 346,190.84/x
  3. Step 3: Cross multiply
    632,670.74x = 873,085.59 × 346,190.84
  4. Step 4: Simplify right side
    632,670.74x = 302,254,233,794.00
  5. Step 5: Solve for x
    x = 302,254,233,794.00/632,670.74
  6. Step 6: Final answer
    x = 477,743.34

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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.