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Finding the Fourth Proportional to 607,611.23, 838,574.75 and 366,015.77

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Solution

The fourth proportional to 607,611.23, 838,574.75 and 366,015.77 is: 505,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,611.23 : 838,574.75 = 366,015.77 : x
  2. Step 2: Convert to fraction form
    607,611.23/838,574.75 = 366,015.77/x
  3. Step 3: Cross multiply
    607,611.23x = 838,574.75 × 366,015.77
  4. Step 4: Simplify right side
    607,611.23x = 306,931,582,823.81
  5. Step 5: Solve for x
    x = 306,931,582,823.81/607,611.23
  6. Step 6: Final answer
    x = 505,144.68

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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.