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Finding the Fourth Proportional to 501,688.08, 752,574.24 and 127,710

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Solution

The fourth proportional to 501,688.08, 752,574.24 and 127,710 is: 191,575.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,688.08 : 752,574.24 = 127,710 : x
  2. Step 2: Convert to fraction form
    501,688.08/752,574.24 = 127,710/x
  3. Step 3: Cross multiply
    501,688.08x = 752,574.24 × 127,710
  4. Step 4: Simplify right side
    501,688.08x = 96,111,256,190.40
  5. Step 5: Solve for x
    x = 96,111,256,190.40/501,688.08
  6. Step 6: Final answer
    x = 191,575.72

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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.