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Finding the Fourth Proportional to 632,503.56, 872,893.62 and 364,317.96

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Solution

The fourth proportional to 632,503.56, 872,893.62 and 364,317.96 is: 502,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,503.56 : 872,893.62 = 364,317.96 : x
  2. Step 2: Convert to fraction form
    632,503.56/872,893.62 = 364,317.96/x
  3. Step 3: Cross multiply
    632,503.56x = 872,893.62 × 364,317.96
  4. Step 4: Simplify right side
    632,503.56x = 318,010,822,935.42
  5. Step 5: Solve for x
    x = 318,010,822,935.42/632,503.56
  6. Step 6: Final answer
    x = 502,781.08

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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.