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Finding the Fourth Proportional to 533,758.72, 736,580.72 and 292,038.48

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Solution

The fourth proportional to 533,758.72, 736,580.72 and 292,038.48 is: 403,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,758.72 : 736,580.72 = 292,038.48 : x
  2. Step 2: Convert to fraction form
    533,758.72/736,580.72 = 292,038.48/x
  3. Step 3: Cross multiply
    533,758.72x = 736,580.72 × 292,038.48
  4. Step 4: Simplify right side
    533,758.72x = 215,109,913,866.11
  5. Step 5: Solve for x
    x = 215,109,913,866.11/533,758.72
  6. Step 6: Final answer
    x = 403,009.65

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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.