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Finding the Fourth Proportional to 528,094.65, 792,141.98 and 243,784.65

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Solution

The fourth proportional to 528,094.65, 792,141.98 and 243,784.65 is: 365,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,094.65 : 792,141.98 = 243,784.65 : x
  2. Step 2: Convert to fraction form
    528,094.65/792,141.98 = 243,784.65/x
  3. Step 3: Cross multiply
    528,094.65x = 792,141.98 × 243,784.65
  4. Step 4: Simplify right side
    528,094.65x = 193,112,054,125.68
  5. Step 5: Solve for x
    x = 193,112,054,125.68/528,094.65
  6. Step 6: Final answer
    x = 365,676.98

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Double scale
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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.