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Finding the Fourth Proportional to 528,036.40, 792,054.60 and 154,059.40

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Solution

The fourth proportional to 528,036.40, 792,054.60 and 154,059.40 is: 231,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,036.40 : 792,054.60 = 154,059.40 : x
  2. Step 2: Convert to fraction form
    528,036.40/792,054.60 = 154,059.40/x
  3. Step 3: Cross multiply
    528,036.40x = 792,054.60 × 154,059.40
  4. Step 4: Simplify right side
    528,036.40x = 122,023,456,443.24
  5. Step 5: Solve for x
    x = 122,023,456,443.24/528,036.40
  6. Step 6: Final answer
    x = 231,089.10

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Similar ratio
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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.