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Finding the Fourth Proportional to 528,055.32, 792,165.60 and 191,060.49

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Solution

The fourth proportional to 528,055.32, 792,165.60 and 191,060.49 is: 286,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,055.32 : 792,165.60 = 191,060.49 : x
  2. Step 2: Convert to fraction form
    528,055.32/792,165.60 = 191,060.49/x
  3. Step 3: Cross multiply
    528,055.32x = 792,165.60 × 191,060.49
  4. Step 4: Simplify right side
    528,055.32x = 151,351,547,697.14
  5. Step 5: Solve for x
    x = 151,351,547,697.14/528,055.32
  6. Step 6: Final answer
    x = 286,620.63

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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.