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Finding the Fourth Proportional to 533,565.36, 736,280.28 and 291,835.44

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Solution

The fourth proportional to 533,565.36, 736,280.28 and 291,835.44 is: 402,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,565.36 : 736,280.28 = 291,835.44 : x
  2. Step 2: Convert to fraction form
    533,565.36/736,280.28 = 291,835.44/x
  3. Step 3: Cross multiply
    533,565.36x = 736,280.28 × 291,835.44
  4. Step 4: Simplify right side
    533,565.36x = 214,872,679,477.12
  5. Step 5: Solve for x
    x = 214,872,679,477.12/533,565.36
  6. Step 6: Final answer
    x = 402,711.07

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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.