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Finding the Fourth Proportional to 536,825.34, 740,833.16 and 291,826.56

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Solution

The fourth proportional to 536,825.34, 740,833.16 and 291,826.56 is: 402,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,825.34 : 740,833.16 = 291,826.56 : x
  2. Step 2: Convert to fraction form
    536,825.34/740,833.16 = 291,826.56/x
  3. Step 3: Cross multiply
    536,825.34x = 740,833.16 × 291,826.56
  4. Step 4: Simplify right side
    536,825.34x = 216,194,793,935.72
  5. Step 5: Solve for x
    x = 216,194,793,935.72/536,825.34
  6. Step 6: Final answer
    x = 402,728.37

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1.5x scale

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.