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Finding the Fourth Proportional to 291,843.65, 402,806.85 and 184,345.31

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Solution

The fourth proportional to 291,843.65, 402,806.85 and 184,345.31 is: 254,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,843.65 : 402,806.85 = 184,345.31 : x
  2. Step 2: Convert to fraction form
    291,843.65/402,806.85 = 184,345.31/x
  3. Step 3: Cross multiply
    291,843.65x = 402,806.85 × 184,345.31
  4. Step 4: Simplify right side
    291,843.65x = 74,255,552,080.20
  5. Step 5: Solve for x
    x = 74,255,552,080.20/291,843.65
  6. Step 6: Final answer
    x = 254,436.08

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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.