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Finding the Fourth Proportional to 582,560.46, 803,933.55 and 340,889.45

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Solution

The fourth proportional to 582,560.46, 803,933.55 and 340,889.45 is: 470,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,560.46 : 803,933.55 = 340,889.45 : x
  2. Step 2: Convert to fraction form
    582,560.46/803,933.55 = 340,889.45/x
  3. Step 3: Cross multiply
    582,560.46x = 803,933.55 × 340,889.45
  4. Step 4: Simplify right side
    582,560.46x = 274,052,461,676.38
  5. Step 5: Solve for x
    x = 274,052,461,676.38/582,560.46
  6. Step 6: Final answer
    x = 470,427.50

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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.