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Finding the Fourth Proportional to 441,005.25, 660,675.45 and 260,552.23

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Solution

The fourth proportional to 441,005.25, 660,675.45 and 260,552.23 is: 390,336.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,005.25 : 660,675.45 = 260,552.23 : x
  2. Step 2: Convert to fraction form
    441,005.25/660,675.45 = 260,552.23/x
  3. Step 3: Cross multiply
    441,005.25x = 660,675.45 × 260,552.23
  4. Step 4: Simplify right side
    441,005.25x = 172,140,461,803.75
  5. Step 5: Solve for x
    x = 172,140,461,803.75/441,005.25
  6. Step 6: Final answer
    x = 390,336.54

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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.