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Finding the Fourth Proportional to 431,925.56, 596,019.98 and 278,970.52

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Solution

The fourth proportional to 431,925.56, 596,019.98 and 278,970.52 is: 384,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,925.56 : 596,019.98 = 278,970.52 : x
  2. Step 2: Convert to fraction form
    431,925.56/596,019.98 = 278,970.52/x
  3. Step 3: Cross multiply
    431,925.56x = 596,019.98 × 278,970.52
  4. Step 4: Simplify right side
    431,925.56x = 166,272,003,750.99
  5. Step 5: Solve for x
    x = 166,272,003,750.99/431,925.56
  6. Step 6: Final answer
    x = 384,955.23

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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.