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Finding the Fourth Proportional to 492,242.27, 679,294.35 and 265,887.77

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Solution

The fourth proportional to 492,242.27, 679,294.35 and 265,887.77 is: 366,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,242.27 : 679,294.35 = 265,887.77 : x
  2. Step 2: Convert to fraction form
    492,242.27/679,294.35 = 265,887.77/x
  3. Step 3: Cross multiply
    492,242.27x = 679,294.35 × 265,887.77
  4. Step 4: Simplify right side
    492,242.27x = 180,616,056,498.63
  5. Step 5: Solve for x
    x = 180,616,056,498.63/492,242.27
  6. Step 6: Final answer
    x = 366,925.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.