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Finding the Fourth Proportional to 539,088.52, 808,729.60 and 184,019.50

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Solution

The fourth proportional to 539,088.52, 808,729.60 and 184,019.50 is: 276,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,088.52 : 808,729.60 = 184,019.50 : x
  2. Step 2: Convert to fraction form
    539,088.52/808,729.60 = 184,019.50/x
  3. Step 3: Cross multiply
    539,088.52x = 808,729.60 × 184,019.50
  4. Step 4: Simplify right side
    539,088.52x = 148,822,016,627.20
  5. Step 5: Solve for x
    x = 148,822,016,627.20/539,088.52
  6. Step 6: Final answer
    x = 276,062.30

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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.