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Finding the Fourth Proportional to 632,369.42, 872,954.76 and 403,234.70

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Solution

The fourth proportional to 632,369.42, 872,954.76 and 403,234.70 is: 556,645.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,369.42 : 872,954.76 = 403,234.70 : x
  2. Step 2: Convert to fraction form
    632,369.42/872,954.76 = 403,234.70/x
  3. Step 3: Cross multiply
    632,369.42x = 872,954.76 × 403,234.70
  4. Step 4: Simplify right side
    632,369.42x = 352,005,646,397.40
  5. Step 5: Solve for x
    x = 352,005,646,397.40/632,369.42
  6. Step 6: Final answer
    x = 556,645.59

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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.