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Finding the Fourth Proportional to 460,345.80, 689,352.30 and 367,033.80

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Solution

The fourth proportional to 460,345.80, 689,352.30 and 367,033.80 is: 549,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,345.80 : 689,352.30 = 367,033.80 : x
  2. Step 2: Convert to fraction form
    460,345.80/689,352.30 = 367,033.80/x
  3. Step 3: Cross multiply
    460,345.80x = 689,352.30 × 367,033.80
  4. Step 4: Simplify right side
    460,345.80x = 253,015,594,207.74
  5. Step 5: Solve for x
    x = 253,015,594,207.74/460,345.80
  6. Step 6: Final answer
    x = 549,620.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.