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Finding the Fourth Proportional to 632,879.19, 873,373.59 and 346,400.82

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Solution

The fourth proportional to 632,879.19, 873,373.59 and 346,400.82 is: 478,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,879.19 : 873,373.59 = 346,400.82 : x
  2. Step 2: Convert to fraction form
    632,879.19/873,373.59 = 346,400.82/x
  3. Step 3: Cross multiply
    632,879.19x = 873,373.59 × 346,400.82
  4. Step 4: Simplify right side
    632,879.19x = 302,537,327,742.34
  5. Step 5: Solve for x
    x = 302,537,327,742.34/632,879.19
  6. Step 6: Final answer
    x = 478,033.30

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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.