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Finding the Fourth Proportional to 586,775.98, 808,955.76 and 501,649.44

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Solution

The fourth proportional to 586,775.98, 808,955.76 and 501,649.44 is: 691,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,775.98 : 808,955.76 = 501,649.44 : x
  2. Step 2: Convert to fraction form
    586,775.98/808,955.76 = 501,649.44/x
  3. Step 3: Cross multiply
    586,775.98x = 808,955.76 × 501,649.44
  4. Step 4: Simplify right side
    586,775.98x = 405,812,200,014.60
  5. Step 5: Solve for x
    x = 405,812,200,014.60/586,775.98
  6. Step 6: Final answer
    x = 691,596.47

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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.