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Finding the Fourth Proportional to 528,083.65, 792,125.48 and 403,667.65

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Solution

The fourth proportional to 528,083.65, 792,125.48 and 403,667.65 is: 605,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,083.65 : 792,125.48 = 403,667.65 : x
  2. Step 2: Convert to fraction form
    528,083.65/792,125.48 = 403,667.65/x
  3. Step 3: Cross multiply
    528,083.65x = 792,125.48 × 403,667.65
  4. Step 4: Simplify right side
    528,083.65x = 319,755,431,016.72
  5. Step 5: Solve for x
    x = 319,755,431,016.72/528,083.65
  6. Step 6: Final answer
    x = 605,501.48

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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.