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Finding the Fourth Proportional to 479,506.29, 661,715.42 and 264,646.35

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Solution

The fourth proportional to 479,506.29, 661,715.42 and 264,646.35 is: 365,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,506.29 : 661,715.42 = 264,646.35 : x
  2. Step 2: Convert to fraction form
    479,506.29/661,715.42 = 264,646.35/x
  3. Step 3: Cross multiply
    479,506.29x = 661,715.42 × 264,646.35
  4. Step 4: Simplify right side
    479,506.29x = 175,120,569,318.49
  5. Step 5: Solve for x
    x = 175,120,569,318.49/479,506.29
  6. Step 6: Final answer
    x = 365,210.16

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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.