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Finding the Fourth Proportional to 582,076.96, 803,254.32 and 340,502.56

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Solution

The fourth proportional to 582,076.96, 803,254.32 and 340,502.56 is: 469,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,076.96 : 803,254.32 = 340,502.56 : x
  2. Step 2: Convert to fraction form
    582,076.96/803,254.32 = 340,502.56/x
  3. Step 3: Cross multiply
    582,076.96x = 803,254.32 × 340,502.56
  4. Step 4: Simplify right side
    582,076.96x = 273,510,152,291.06
  5. Step 5: Solve for x
    x = 273,510,152,291.06/582,076.96
  6. Step 6: Final answer
    x = 469,886.58

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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.