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Finding the Fourth Proportional to 495,951.70, 684,420.15 and 269,602.06

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Solution

The fourth proportional to 495,951.70, 684,420.15 and 269,602.06 is: 372,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,951.70 : 684,420.15 = 269,602.06 : x
  2. Step 2: Convert to fraction form
    495,951.70/684,420.15 = 269,602.06/x
  3. Step 3: Cross multiply
    495,951.70x = 684,420.15 × 269,602.06
  4. Step 4: Simplify right side
    495,951.70x = 184,521,082,345.51
  5. Step 5: Solve for x
    x = 184,521,082,345.51/495,951.70
  6. Step 6: Final answer
    x = 372,054.54

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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.