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Finding the Fourth Proportional to 582,914.72, 804,456.60 and 356,603.60

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Solution

The fourth proportional to 582,914.72, 804,456.60 and 356,603.60 is: 492,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,914.72 : 804,456.60 = 356,603.60 : x
  2. Step 2: Convert to fraction form
    582,914.72/804,456.60 = 356,603.60/x
  3. Step 3: Cross multiply
    582,914.72x = 804,456.60 × 356,603.60
  4. Step 4: Simplify right side
    582,914.72x = 286,872,119,603.76
  5. Step 5: Solve for x
    x = 286,872,119,603.76/582,914.72
  6. Step 6: Final answer
    x = 492,133.94

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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.