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Finding the Fourth Proportional to 632,497.58, 872,843.55 and 346,012.46

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Solution

The fourth proportional to 632,497.58, 872,843.55 and 346,012.46 is: 477,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,497.58 : 872,843.55 = 346,012.46 : x
  2. Step 2: Convert to fraction form
    632,497.58/872,843.55 = 346,012.46/x
  3. Step 3: Cross multiply
    632,497.58x = 872,843.55 × 346,012.46
  4. Step 4: Simplify right side
    632,497.58x = 302,014,743,930.63
  5. Step 5: Solve for x
    x = 302,014,743,930.63/632,497.58
  6. Step 6: Final answer
    x = 477,495.49

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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.