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Finding the Fourth Proportional to 480,600.07, 663,117.64 and 286,969.97

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Solution

The fourth proportional to 480,600.07, 663,117.64 and 286,969.97 is: 395,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,600.07 : 663,117.64 = 286,969.97 : x
  2. Step 2: Convert to fraction form
    480,600.07/663,117.64 = 286,969.97/x
  3. Step 3: Cross multiply
    480,600.07x = 663,117.64 × 286,969.97
  4. Step 4: Simplify right side
    480,600.07x = 190,294,850,197.64
  5. Step 5: Solve for x
    x = 190,294,850,197.64/480,600.07
  6. Step 6: Final answer
    x = 395,952.61

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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.