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Finding the Fourth Proportional to 632,495.58, 872,840.79 and 346,010.46

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Solution

The fourth proportional to 632,495.58, 872,840.79 and 346,010.46 is: 477,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,495.58 : 872,840.79 = 346,010.46 : x
  2. Step 2: Convert to fraction form
    632,495.58/872,840.79 = 346,010.46/x
  3. Step 3: Cross multiply
    632,495.58x = 872,840.79 × 346,010.46
  4. Step 4: Simplify right side
    632,495.58x = 302,012,043,254.66
  5. Step 5: Solve for x
    x = 302,012,043,254.66/632,495.58
  6. Step 6: Final answer
    x = 477,492.73

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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.