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Finding the Fourth Proportional to 609,521.88, 841,705.61 and 456,294.06

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Solution

The fourth proportional to 609,521.88, 841,705.61 and 456,294.06 is: 630,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,521.88 : 841,705.61 = 456,294.06 : x
  2. Step 2: Convert to fraction form
    609,521.88/841,705.61 = 456,294.06/x
  3. Step 3: Cross multiply
    609,521.88x = 841,705.61 × 456,294.06
  4. Step 4: Simplify right side
    609,521.88x = 384,065,266,049.28
  5. Step 5: Solve for x
    x = 384,065,266,049.28/609,521.88
  6. Step 6: Final answer
    x = 630,109.07

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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.