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Finding the Fourth Proportional to 677,268.48, 934,292.16 and 432,367.68

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Solution

The fourth proportional to 677,268.48, 934,292.16 and 432,367.68 is: 596,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,268.48 : 934,292.16 = 432,367.68 : x
  2. Step 2: Convert to fraction form
    677,268.48/934,292.16 = 432,367.68/x
  3. Step 3: Cross multiply
    677,268.48x = 934,292.16 × 432,367.68
  4. Step 4: Simplify right side
    677,268.48x = 403,957,733,661.39
  5. Step 5: Solve for x
    x = 403,957,733,661.39/677,268.48
  6. Step 6: Final answer
    x = 596,451.40

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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.