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Finding the Fourth Proportional to 423,574.76, 584,585.82 and 242,261.54

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Solution

The fourth proportional to 423,574.76, 584,585.82 and 242,261.54 is: 334,351.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,574.76 : 584,585.82 = 242,261.54 : x
  2. Step 2: Convert to fraction form
    423,574.76/584,585.82 = 242,261.54/x
  3. Step 3: Cross multiply
    423,574.76x = 584,585.82 × 242,261.54
  4. Step 4: Simplify right side
    423,574.76x = 141,622,661,015.36
  5. Step 5: Solve for x
    x = 141,622,661,015.36/423,574.76
  6. Step 6: Final answer
    x = 334,351.04

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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.