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Finding the Fourth Proportional to 573,856.17, 791,927.58 and 315,736.51

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Solution

The fourth proportional to 573,856.17, 791,927.58 and 315,736.51 is: 435,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,856.17 : 791,927.58 = 315,736.51 : x
  2. Step 2: Convert to fraction form
    573,856.17/791,927.58 = 315,736.51/x
  3. Step 3: Cross multiply
    573,856.17x = 791,927.58 × 315,736.51
  4. Step 4: Simplify right side
    573,856.17x = 250,040,448,743.71
  5. Step 5: Solve for x
    x = 250,040,448,743.71/573,856.17
  6. Step 6: Final answer
    x = 435,719.72

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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.