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Finding the Fourth Proportional to 679,250, 1,019,030.52 and 236,018

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Solution

The fourth proportional to 679,250, 1,019,030.52 and 236,018 is: 354,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,250 : 1,019,030.52 = 236,018 : x
  2. Step 2: Convert to fraction form
    679,250/1,019,030.52 = 236,018/x
  3. Step 3: Cross multiply
    679,250x = 1,019,030.52 × 236,018
  4. Step 4: Simplify right side
    679,250x = 240,509,545,269.36
  5. Step 5: Solve for x
    x = 240,509,545,269.36/679,250
  6. Step 6: Final answer
    x = 354,081.04

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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.