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Finding the Fourth Proportional to 528,051.60, 792,078.62 and 370,981.26

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Solution

The fourth proportional to 528,051.60, 792,078.62 and 370,981.26 is: 556,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,051.60 : 792,078.62 = 370,981.26 : x
  2. Step 2: Convert to fraction form
    528,051.60/792,078.62 = 370,981.26/x
  3. Step 3: Cross multiply
    528,051.60x = 792,078.62 × 370,981.26
  4. Step 4: Simplify right side
    528,051.60x = 293,846,322,611.76
  5. Step 5: Solve for x
    x = 293,846,322,611.76/528,051.60
  6. Step 6: Final answer
    x = 556,472.74

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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.