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Finding the Fourth Proportional to 291,746.37, 437,444.58 and 133,776.93

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Solution

The fourth proportional to 291,746.37, 437,444.58 and 133,776.93 is: 200,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,746.37 : 437,444.58 = 133,776.93 : x
  2. Step 2: Convert to fraction form
    291,746.37/437,444.58 = 133,776.93/x
  3. Step 3: Cross multiply
    291,746.37x = 437,444.58 × 133,776.93
  4. Step 4: Simplify right side
    291,746.37x = 58,519,992,957.54
  5. Step 5: Solve for x
    x = 58,519,992,957.54/291,746.37
  6. Step 6: Final answer
    x = 200,585.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.