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Finding the Fourth Proportional to 582,444.84, 804,021.90 and 391,568.94

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Solution

The fourth proportional to 582,444.84, 804,021.90 and 391,568.94 is: 540,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,444.84 : 804,021.90 = 391,568.94 : x
  2. Step 2: Convert to fraction form
    582,444.84/804,021.90 = 391,568.94/x
  3. Step 3: Cross multiply
    582,444.84x = 804,021.90 × 391,568.94
  4. Step 4: Simplify right side
    582,444.84x = 314,830,003,119.79
  5. Step 5: Solve for x
    x = 314,830,003,119.79/582,444.84
  6. Step 6: Final answer
    x = 540,531.88

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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.