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Finding the Fourth Proportional to 506,562.44, 698,905.40 and 291,696.98

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Solution

The fourth proportional to 506,562.44, 698,905.40 and 291,696.98 is: 402,455.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,562.44 : 698,905.40 = 291,696.98 : x
  2. Step 2: Convert to fraction form
    506,562.44/698,905.40 = 291,696.98/x
  3. Step 3: Cross multiply
    506,562.44x = 698,905.40 × 291,696.98
  4. Step 4: Simplify right side
    506,562.44x = 203,868,589,532.68
  5. Step 5: Solve for x
    x = 203,868,589,532.68/506,562.44
  6. Step 6: Final answer
    x = 402,455.01

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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.