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Finding the Fourth Proportional to 533,637.51, 736,433.54 and 291,930.27

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Solution

The fourth proportional to 533,637.51, 736,433.54 and 291,930.27 is: 402,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,637.51 : 736,433.54 = 291,930.27 : x
  2. Step 2: Convert to fraction form
    533,637.51/736,433.54 = 291,930.27/x
  3. Step 3: Cross multiply
    533,637.51x = 736,433.54 × 291,930.27
  4. Step 4: Simplify right side
    533,637.51x = 214,987,242,169.26
  5. Step 5: Solve for x
    x = 214,987,242,169.26/533,637.51
  6. Step 6: Final answer
    x = 402,871.31

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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.