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Finding the Fourth Proportional to 497,166.60, 746,009.10 and 216,712.20

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Solution

The fourth proportional to 497,166.60, 746,009.10 and 216,712.20 is: 325,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,166.60 : 746,009.10 = 216,712.20 : x
  2. Step 2: Convert to fraction form
    497,166.60/746,009.10 = 216,712.20/x
  3. Step 3: Cross multiply
    497,166.60x = 746,009.10 × 216,712.20
  4. Step 4: Simplify right side
    497,166.60x = 161,669,273,281.02
  5. Step 5: Solve for x
    x = 161,669,273,281.02/497,166.60
  6. Step 6: Final answer
    x = 325,181.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.