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Finding the Fourth Proportional to 533,807.07, 736,653.76 and 292,089.65

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Solution

The fourth proportional to 533,807.07, 736,653.76 and 292,089.65 is: 403,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,807.07 : 736,653.76 = 292,089.65 : x
  2. Step 2: Convert to fraction form
    533,807.07/736,653.76 = 292,089.65/x
  3. Step 3: Cross multiply
    533,807.07x = 736,653.76 × 292,089.65
  4. Step 4: Simplify right side
    533,807.07x = 215,168,934,516.09
  5. Step 5: Solve for x
    x = 215,168,934,516.09/533,807.07
  6. Step 6: Final answer
    x = 403,083.71

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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.