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Finding the Fourth Proportional to 282,605.70, 424,892.70 and 239,303.10

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Solution

The fourth proportional to 282,605.70, 424,892.70 and 239,303.10 is: 359,788.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,605.70 : 424,892.70 = 239,303.10 : x
  2. Step 2: Convert to fraction form
    282,605.70/424,892.70 = 239,303.10/x
  3. Step 3: Cross multiply
    282,605.70x = 424,892.70 × 239,303.10
  4. Step 4: Simplify right side
    282,605.70x = 101,678,140,277.37
  5. Step 5: Solve for x
    x = 101,678,140,277.37/282,605.70
  6. Step 6: Final answer
    x = 359,788.00

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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.