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Finding the Fourth Proportional to 528,417.38, 792,459.56 and 173,348.66

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Solution

The fourth proportional to 528,417.38, 792,459.56 and 173,348.66 is: 259,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,417.38 : 792,459.56 = 173,348.66 : x
  2. Step 2: Convert to fraction form
    528,417.38/792,459.56 = 173,348.66/x
  3. Step 3: Cross multiply
    528,417.38x = 792,459.56 × 173,348.66
  4. Step 4: Simplify right side
    528,417.38x = 137,371,799,301.26
  5. Step 5: Solve for x
    x = 137,371,799,301.26/528,417.38
  6. Step 6: Final answer
    x = 259,968.36

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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.