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Finding the Fourth Proportional to 436,458.71, 602,589.75 and 298,867.89

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Solution

The fourth proportional to 436,458.71, 602,589.75 and 298,867.89 is: 412,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,458.71 : 602,589.75 = 298,867.89 : x
  2. Step 2: Convert to fraction form
    436,458.71/602,589.75 = 298,867.89/x
  3. Step 3: Cross multiply
    436,458.71x = 602,589.75 × 298,867.89
  4. Step 4: Simplify right side
    436,458.71x = 180,094,727,118.13
  5. Step 5: Solve for x
    x = 180,094,727,118.13/436,458.71
  6. Step 6: Final answer
    x = 412,627.18

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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.