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Finding the Fourth Proportional to 340,795.98, 470,404.98 and 219,937.50

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Solution

The fourth proportional to 340,795.98, 470,404.98 and 219,937.50 is: 303,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,795.98 : 470,404.98 = 219,937.50 : x
  2. Step 2: Convert to fraction form
    340,795.98/470,404.98 = 219,937.50/x
  3. Step 3: Cross multiply
    340,795.98x = 470,404.98 × 219,937.50
  4. Step 4: Simplify right side
    340,795.98x = 103,459,695,288.75
  5. Step 5: Solve for x
    x = 103,459,695,288.75/340,795.98
  6. Step 6: Final answer
    x = 303,582.50

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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.