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Finding the Fourth Proportional to 333,580.90, 459,884.04 and 211,012.30

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Solution

The fourth proportional to 333,580.90, 459,884.04 and 211,012.30 is: 290,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,580.90 : 459,884.04 = 211,012.30 : x
  2. Step 2: Convert to fraction form
    333,580.90/459,884.04 = 211,012.30/x
  3. Step 3: Cross multiply
    333,580.90x = 459,884.04 × 211,012.30
  4. Step 4: Simplify right side
    333,580.90x = 97,041,189,013.69
  5. Step 5: Solve for x
    x = 97,041,189,013.69/333,580.90
  6. Step 6: Final answer
    x = 290,907.51

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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.