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Finding the Fourth Proportional to 495,552.60, 683,804.58 and 291,558.66

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Solution

The fourth proportional to 495,552.60, 683,804.58 and 291,558.66 is: 402,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,552.60 : 683,804.58 = 291,558.66 : x
  2. Step 2: Convert to fraction form
    495,552.60/683,804.58 = 291,558.66/x
  3. Step 3: Cross multiply
    495,552.60x = 683,804.58 × 291,558.66
  4. Step 4: Simplify right side
    495,552.60x = 199,369,147,046.66
  5. Step 5: Solve for x
    x = 199,369,147,046.66/495,552.60
  6. Step 6: Final answer
    x = 402,316.82

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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.