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Finding the Fourth Proportional to 356,789.93, 492,392.86 and 235,718.82

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Solution

The fourth proportional to 356,789.93, 492,392.86 and 235,718.82 is: 325,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,789.93 : 492,392.86 = 235,718.82 : x
  2. Step 2: Convert to fraction form
    356,789.93/492,392.86 = 235,718.82/x
  3. Step 3: Cross multiply
    356,789.93x = 492,392.86 × 235,718.82
  4. Step 4: Simplify right side
    356,789.93x = 116,066,263,346.33
  5. Step 5: Solve for x
    x = 116,066,263,346.33/356,789.93
  6. Step 6: Final answer
    x = 325,307.01

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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.