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Finding the Fourth Proportional to 474,504.40, 654,830.76 and 259,653.52

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Solution

The fourth proportional to 474,504.40, 654,830.76 and 259,653.52 is: 358,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,504.40 : 654,830.76 = 259,653.52 : x
  2. Step 2: Convert to fraction form
    474,504.40/654,830.76 = 259,653.52/x
  3. Step 3: Cross multiply
    474,504.40x = 654,830.76 × 259,653.52
  4. Step 4: Simplify right side
    474,504.40x = 170,029,111,838.28
  5. Step 5: Solve for x
    x = 170,029,111,838.28/474,504.40
  6. Step 6: Final answer
    x = 358,329.90

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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.