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Finding the Fourth Proportional to 582,440.84, 804,016.35 and 391,564.97

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Solution

The fourth proportional to 582,440.84, 804,016.35 and 391,564.97 is: 540,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,440.84 : 804,016.35 = 391,564.97 : x
  2. Step 2: Convert to fraction form
    582,440.84/804,016.35 = 391,564.97/x
  3. Step 3: Cross multiply
    582,440.84x = 804,016.35 × 391,564.97
  4. Step 4: Simplify right side
    582,440.84x = 314,824,637,967.26
  5. Step 5: Solve for x
    x = 314,824,637,967.26/582,440.84
  6. Step 6: Final answer
    x = 540,526.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.