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Finding the Fourth Proportional to 583,880.10, 805,760.37 and 342,305.70

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Solution

The fourth proportional to 583,880.10, 805,760.37 and 342,305.70 is: 472,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,880.10 : 805,760.37 = 342,305.70 : x
  2. Step 2: Convert to fraction form
    583,880.10/805,760.37 = 342,305.70/x
  3. Step 3: Cross multiply
    583,880.10x = 805,760.37 × 342,305.70
  4. Step 4: Simplify right side
    583,880.10x = 275,816,367,485.11
  5. Step 5: Solve for x
    x = 275,816,367,485.11/583,880.10
  6. Step 6: Final answer
    x = 472,385.29

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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.