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Finding the Fourth Proportional to 504,655.80, 757,117.35 and 220,224.30

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Solution

The fourth proportional to 504,655.80, 757,117.35 and 220,224.30 is: 330,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,655.80 : 757,117.35 = 220,224.30 : x
  2. Step 2: Convert to fraction form
    504,655.80/757,117.35 = 220,224.30/x
  3. Step 3: Cross multiply
    504,655.80x = 757,117.35 × 220,224.30
  4. Step 4: Simplify right side
    504,655.80x = 166,735,638,421.61
  5. Step 5: Solve for x
    x = 166,735,638,421.61/504,655.80
  6. Step 6: Final answer
    x = 330,394.77

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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.