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Finding the Fourth Proportional to 606,619.53, 909,929.30 and 207,263.61

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Solution

The fourth proportional to 606,619.53, 909,929.30 and 207,263.61 is: 310,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,619.53 : 909,929.30 = 207,263.61 : x
  2. Step 2: Convert to fraction form
    606,619.53/909,929.30 = 207,263.61/x
  3. Step 3: Cross multiply
    606,619.53x = 909,929.30 × 207,263.61
  4. Step 4: Simplify right side
    606,619.53x = 188,595,230,526.46
  5. Step 5: Solve for x
    x = 188,595,230,526.46/606,619.53
  6. Step 6: Final answer
    x = 310,895.42

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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.