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Finding the Fourth Proportional to 333,303.24, 499,958.10 and 83,985.24

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Solution

The fourth proportional to 333,303.24, 499,958.10 and 83,985.24 is: 125,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,303.24 : 499,958.10 = 83,985.24 : x
  2. Step 2: Convert to fraction form
    333,303.24/499,958.10 = 83,985.24/x
  3. Step 3: Cross multiply
    333,303.24x = 499,958.10 × 83,985.24
  4. Step 4: Simplify right side
    333,303.24x = 41,989,101,018.44
  5. Step 5: Solve for x
    x = 41,989,101,018.44/333,303.24
  6. Step 6: Final answer
    x = 125,978.68

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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.