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Finding the Fourth Proportional to 632,543.01, 872,894.36 and 346,065.45

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Solution

The fourth proportional to 632,543.01, 872,894.36 and 346,065.45 is: 477,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,543.01 : 872,894.36 = 346,065.45 : x
  2. Step 2: Convert to fraction form
    632,543.01/872,894.36 = 346,065.45/x
  3. Step 3: Cross multiply
    632,543.01x = 872,894.36 × 346,065.45
  4. Step 4: Simplify right side
    632,543.01x = 302,078,577,765.54
  5. Step 5: Solve for x
    x = 302,078,577,765.54/632,543.01
  6. Step 6: Final answer
    x = 477,562.12

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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.