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Finding the Fourth Proportional to 340,999.52, 470,497.04 and 220,114.92

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Solution

The fourth proportional to 340,999.52, 470,497.04 and 220,114.92 is: 303,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,999.52 : 470,497.04 = 220,114.92 : x
  2. Step 2: Convert to fraction form
    340,999.52/470,497.04 = 220,114.92/x
  3. Step 3: Cross multiply
    340,999.52x = 470,497.04 × 220,114.92
  4. Step 4: Simplify right side
    340,999.52x = 103,563,417,219.26
  5. Step 5: Solve for x
    x = 103,563,417,219.26/340,999.52
  6. Step 6: Final answer
    x = 303,705.47

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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.