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Finding the Fourth Proportional to 533,365.70, 736,044.58 and 291,648.42

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Solution

The fourth proportional to 533,365.70, 736,044.58 and 291,648.42 is: 402,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,365.70 : 736,044.58 = 291,648.42 : x
  2. Step 2: Convert to fraction form
    533,365.70/736,044.58 = 291,648.42/x
  3. Step 3: Cross multiply
    533,365.70x = 736,044.58 × 291,648.42
  4. Step 4: Simplify right side
    533,365.70x = 214,666,238,806.56
  5. Step 5: Solve for x
    x = 214,666,238,806.56/533,365.70
  6. Step 6: Final answer
    x = 402,474.77

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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.