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Finding the Fourth Proportional to 528,325.60, 792,460.56 and 173,292.88

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Solution

The fourth proportional to 528,325.60, 792,460.56 and 173,292.88 is: 259,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,325.60 : 792,460.56 = 173,292.88 : x
  2. Step 2: Convert to fraction form
    528,325.60/792,460.56 = 173,292.88/x
  3. Step 3: Cross multiply
    528,325.60x = 792,460.56 × 173,292.88
  4. Step 4: Simplify right side
    528,325.60x = 137,327,772,728.81
  5. Step 5: Solve for x
    x = 137,327,772,728.81/528,325.60
  6. Step 6: Final answer
    x = 259,930.19

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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.