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Finding the Fourth Proportional to 574,602.78, 792,935.58 and 312,952.14

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Solution

The fourth proportional to 574,602.78, 792,935.58 and 312,952.14 is: 431,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,602.78 : 792,935.58 = 312,952.14 : x
  2. Step 2: Convert to fraction form
    574,602.78/792,935.58 = 312,952.14/x
  3. Step 3: Cross multiply
    574,602.78x = 792,935.58 × 312,952.14
  4. Step 4: Simplify right side
    574,602.78x = 248,150,886,643.14
  5. Step 5: Solve for x
    x = 248,150,886,643.14/574,602.78
  6. Step 6: Final answer
    x = 431,865.10

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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.