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Finding the Fourth Proportional to 423,520.96, 584,389.96 and 242,203.72

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Solution

The fourth proportional to 423,520.96, 584,389.96 and 242,203.72 is: 334,201.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,520.96 : 584,389.96 = 242,203.72 : x
  2. Step 2: Convert to fraction form
    423,520.96/584,389.96 = 242,203.72/x
  3. Step 3: Cross multiply
    423,520.96x = 584,389.96 × 242,203.72
  4. Step 4: Simplify right side
    423,520.96x = 141,541,422,242.65
  5. Step 5: Solve for x
    x = 141,541,422,242.65/423,520.96
  6. Step 6: Final answer
    x = 334,201.69

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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.