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Finding the Fourth Proportional to 528,066.90, 792,100.35 and 403,650.90

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Solution

The fourth proportional to 528,066.90, 792,100.35 and 403,650.90 is: 605,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,066.90 : 792,100.35 = 403,650.90 : x
  2. Step 2: Convert to fraction form
    528,066.90/792,100.35 = 403,650.90/x
  3. Step 3: Cross multiply
    528,066.90x = 792,100.35 × 403,650.90
  4. Step 4: Simplify right side
    528,066.90x = 319,732,019,167.82
  5. Step 5: Solve for x
    x = 319,732,019,167.82/528,066.90
  6. Step 6: Final answer
    x = 605,476.35

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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.