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Finding the Fourth Proportional to 623,734.03, 860,703.45 and 351,714.97

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Solution

The fourth proportional to 623,734.03, 860,703.45 and 351,714.97 is: 485,338.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,734.03 : 860,703.45 = 351,714.97 : x
  2. Step 2: Convert to fraction form
    623,734.03/860,703.45 = 351,714.97/x
  3. Step 3: Cross multiply
    623,734.03x = 860,703.45 × 351,714.97
  4. Step 4: Simplify right side
    623,734.03x = 302,722,287,852.60
  5. Step 5: Solve for x
    x = 302,722,287,852.60/623,734.03
  6. Step 6: Final answer
    x = 485,338.74

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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.