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Finding the Fourth Proportional to 583,635.56, 805,416.10 and 315,362.92

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Solution

The fourth proportional to 583,635.56, 805,416.10 and 315,362.92 is: 435,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,635.56 : 805,416.10 = 315,362.92 : x
  2. Step 2: Convert to fraction form
    583,635.56/805,416.10 = 315,362.92/x
  3. Step 3: Cross multiply
    583,635.56x = 805,416.10 × 315,362.92
  4. Step 4: Simplify right side
    583,635.56x = 253,998,373,111.01
  5. Step 5: Solve for x
    x = 253,998,373,111.01/583,635.56
  6. Step 6: Final answer
    x = 435,200.30

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Double scale
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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.