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Finding the Fourth Proportional to 609,747.60, 912,871.80 and 373,551.60

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Solution

The fourth proportional to 609,747.60, 912,871.80 and 373,551.60 is: 559,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,747.60 : 912,871.80 = 373,551.60 : x
  2. Step 2: Convert to fraction form
    609,747.60/912,871.80 = 373,551.60/x
  3. Step 3: Cross multiply
    609,747.60x = 912,871.80 × 373,551.60
  4. Step 4: Simplify right side
    609,747.60x = 341,004,721,484.88
  5. Step 5: Solve for x
    x = 341,004,721,484.88/609,747.60
  6. Step 6: Final answer
    x = 559,255.54

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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.