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Finding the Fourth Proportional to 633,091.38, 873,665.70 and 346,611.39

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Solution

The fourth proportional to 633,091.38, 873,665.70 and 346,611.39 is: 478,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,091.38 : 873,665.70 = 346,611.39 : x
  2. Step 2: Convert to fraction form
    633,091.38/873,665.70 = 346,611.39/x
  3. Step 3: Cross multiply
    633,091.38x = 873,665.70 × 346,611.39
  4. Step 4: Simplify right side
    633,091.38x = 302,822,482,672.32
  5. Step 5: Solve for x
    x = 302,822,482,672.32/633,091.38
  6. Step 6: Final answer
    x = 478,323.50

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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.