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Finding the Fourth Proportional to 495,695.84, 684,066.48 and 269,345.12

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Solution

The fourth proportional to 495,695.84, 684,066.48 and 269,345.12 is: 371,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,695.84 : 684,066.48 = 269,345.12 : x
  2. Step 2: Convert to fraction form
    495,695.84/684,066.48 = 269,345.12/x
  3. Step 3: Cross multiply
    495,695.84x = 684,066.48 × 269,345.12
  4. Step 4: Simplify right side
    495,695.84x = 184,249,968,143.58
  5. Step 5: Solve for x
    x = 184,249,968,143.58/495,695.84
  6. Step 6: Final answer
    x = 371,699.65

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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.