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Finding the Fourth Proportional to 500,588.70, 750,551.40 and 276,056.70

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Solution

The fourth proportional to 500,588.70, 750,551.40 and 276,056.70 is: 413,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,588.70 : 750,551.40 = 276,056.70 : x
  2. Step 2: Convert to fraction form
    500,588.70/750,551.40 = 276,056.70/x
  3. Step 3: Cross multiply
    500,588.70x = 750,551.40 × 276,056.70
  4. Step 4: Simplify right side
    500,588.70x = 207,194,742,664.38
  5. Step 5: Solve for x
    x = 207,194,742,664.38/500,588.70
  6. Step 6: Final answer
    x = 413,902.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.