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Finding the Fourth Proportional to 423,047.31, 583,710.84 and 250,877.79

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Solution

The fourth proportional to 423,047.31, 583,710.84 and 250,877.79 is: 346,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,047.31 : 583,710.84 = 250,877.79 : x
  2. Step 2: Convert to fraction form
    423,047.31/583,710.84 = 250,877.79/x
  3. Step 3: Cross multiply
    423,047.31x = 583,710.84 × 250,877.79
  4. Step 4: Simplify right side
    423,047.31x = 146,440,085,538.24
  5. Step 5: Solve for x
    x = 146,440,085,538.24/423,047.31
  6. Step 6: Final answer
    x = 346,155.34

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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.