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Finding the Fourth Proportional to 566,924.81, 782,358.35 and 312,275.39

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Solution

The fourth proportional to 566,924.81, 782,358.35 and 312,275.39 is: 430,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,924.81 : 782,358.35 = 312,275.39 : x
  2. Step 2: Convert to fraction form
    566,924.81/782,358.35 = 312,275.39/x
  3. Step 3: Cross multiply
    566,924.81x = 782,358.35 × 312,275.39
  4. Step 4: Simplify right side
    566,924.81x = 244,311,253,392.84
  5. Step 5: Solve for x
    x = 244,311,253,392.84/566,924.81
  6. Step 6: Final answer
    x = 430,941.20

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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.