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Finding the Fourth Proportional to 260,657.94, 359,698.14 and 147,483.12

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Solution

The fourth proportional to 260,657.94, 359,698.14 and 147,483.12 is: 203,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,657.94 : 359,698.14 = 147,483.12 : x
  2. Step 2: Convert to fraction form
    260,657.94/359,698.14 = 147,483.12/x
  3. Step 3: Cross multiply
    260,657.94x = 359,698.14 × 147,483.12
  4. Step 4: Simplify right side
    260,657.94x = 53,049,403,945.40
  5. Step 5: Solve for x
    x = 53,049,403,945.40/260,657.94
  6. Step 6: Final answer
    x = 203,521.15

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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.