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Finding the Fourth Proportional to 583,922.44, 805,813.56 and 342,156.88

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Solution

The fourth proportional to 583,922.44, 805,813.56 and 342,156.88 is: 472,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,922.44 : 805,813.56 = 342,156.88 : x
  2. Step 2: Convert to fraction form
    583,922.44/805,813.56 = 342,156.88/x
  3. Step 3: Cross multiply
    583,922.44x = 805,813.56 × 342,156.88
  4. Step 4: Simplify right side
    583,922.44x = 275,714,653,551.29
  5. Step 5: Solve for x
    x = 275,714,653,551.29/583,922.44
  6. Step 6: Final answer
    x = 472,176.84

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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.