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Finding the Fourth Proportional to 609,330.96, 913,399.86 and 254,446.47

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Solution

The fourth proportional to 609,330.96, 913,399.86 and 254,446.47 is: 381,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,330.96 : 913,399.86 = 254,446.47 : x
  2. Step 2: Convert to fraction form
    609,330.96/913,399.86 = 254,446.47/x
  3. Step 3: Cross multiply
    609,330.96x = 913,399.86 × 254,446.47
  4. Step 4: Simplify right side
    609,330.96x = 232,411,370,075.49
  5. Step 5: Solve for x
    x = 232,411,370,075.49/609,330.96
  6. Step 6: Final answer
    x = 381,420.58

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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.