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Finding the Fourth Proportional to 610,038.36, 915,308.37 and 268,305.94

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Solution

The fourth proportional to 610,038.36, 915,308.37 and 268,305.94 is: 402,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,038.36 : 915,308.37 = 268,305.94 : x
  2. Step 2: Convert to fraction form
    610,038.36/915,308.37 = 268,305.94/x
  3. Step 3: Cross multiply
    610,038.36x = 915,308.37 × 268,305.94
  4. Step 4: Simplify right side
    610,038.36x = 245,582,675,189.24
  5. Step 5: Solve for x
    x = 245,582,675,189.24/610,038.36
  6. Step 6: Final answer
    x = 402,569.23

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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.