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Finding the Fourth Proportional to 431,364.74, 595,317.60 and 237,806.85

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Solution

The fourth proportional to 431,364.74, 595,317.60 and 237,806.85 is: 328,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,364.74 : 595,317.60 = 237,806.85 : x
  2. Step 2: Convert to fraction form
    431,364.74/595,317.60 = 237,806.85/x
  3. Step 3: Cross multiply
    431,364.74x = 595,317.60 × 237,806.85
  4. Step 4: Simplify right side
    431,364.74x = 141,570,602,926.51
  5. Step 5: Solve for x
    x = 141,570,602,926.51/431,364.74
  6. Step 6: Final answer
    x = 328,192.34

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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.