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Finding the Fourth Proportional to 609,643.71, 841,308.19 and 334,011.35

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Solution

The fourth proportional to 609,643.71, 841,308.19 and 334,011.35 is: 460,935.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,643.71 : 841,308.19 = 334,011.35 : x
  2. Step 2: Convert to fraction form
    609,643.71/841,308.19 = 334,011.35/x
  3. Step 3: Cross multiply
    609,643.71x = 841,308.19 × 334,011.35
  4. Step 4: Simplify right side
    609,643.71x = 281,006,485,576.20
  5. Step 5: Solve for x
    x = 281,006,485,576.20/609,643.71
  6. Step 6: Final answer
    x = 460,935.59

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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.