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Finding the Fourth Proportional to 493,347.20, 739,802.10 and 226,970.60

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Solution

The fourth proportional to 493,347.20, 739,802.10 and 226,970.60 is: 340,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,347.20 : 739,802.10 = 226,970.60 : x
  2. Step 2: Convert to fraction form
    493,347.20/739,802.10 = 226,970.60/x
  3. Step 3: Cross multiply
    493,347.20x = 739,802.10 × 226,970.60
  4. Step 4: Simplify right side
    493,347.20x = 167,913,326,518.26
  5. Step 5: Solve for x
    x = 167,913,326,518.26/493,347.20
  6. Step 6: Final answer
    x = 340,355.28

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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.