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Finding the Fourth Proportional to 582,445.84, 804,023.28 and 391,569.94

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Solution

The fourth proportional to 582,445.84, 804,023.28 and 391,569.94 is: 540,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,445.84 : 804,023.28 = 391,569.94 : x
  2. Step 2: Convert to fraction form
    582,445.84/804,023.28 = 391,569.94/x
  3. Step 3: Cross multiply
    582,445.84x = 804,023.28 × 391,569.94
  4. Step 4: Simplify right side
    582,445.84x = 314,831,347,508.20
  5. Step 5: Solve for x
    x = 314,831,347,508.20/582,445.84
  6. Step 6: Final answer
    x = 540,533.26

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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.