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Finding the Fourth Proportional to 609,507.66, 841,126.75 and 367,743.50

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Solution

The fourth proportional to 609,507.66, 841,126.75 and 367,743.50 is: 507,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,507.66 : 841,126.75 = 367,743.50 : x
  2. Step 2: Convert to fraction form
    609,507.66/841,126.75 = 367,743.50/x
  3. Step 3: Cross multiply
    609,507.66x = 841,126.75 × 367,743.50
  4. Step 4: Simplify right side
    609,507.66x = 309,318,889,863.63
  5. Step 5: Solve for x
    x = 309,318,889,863.63/609,507.66
  6. Step 6: Final answer
    x = 507,489.75

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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.