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Finding the Fourth Proportional to 514,957.03, 772,485.20 and 159,875.71

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Solution

The fourth proportional to 514,957.03, 772,485.20 and 159,875.71 is: 239,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,957.03 : 772,485.20 = 159,875.71 : x
  2. Step 2: Convert to fraction form
    514,957.03/772,485.20 = 159,875.71/x
  3. Step 3: Cross multiply
    514,957.03x = 772,485.20 × 159,875.71
  4. Step 4: Simplify right side
    514,957.03x = 123,501,619,814.49
  5. Step 5: Solve for x
    x = 123,501,619,814.49/514,957.03
  6. Step 6: Final answer
    x = 239,828.98

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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.