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Finding the Fourth Proportional to 568,283.04, 784,225.26 and 313,628.76

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Solution

The fourth proportional to 568,283.04, 784,225.26 and 313,628.76 is: 432,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,283.04 : 784,225.26 = 313,628.76 : x
  2. Step 2: Convert to fraction form
    568,283.04/784,225.26 = 313,628.76/x
  3. Step 3: Cross multiply
    568,283.04x = 784,225.26 × 313,628.76
  4. Step 4: Simplify right side
    568,283.04x = 245,955,595,854.48
  5. Step 5: Solve for x
    x = 245,955,595,854.48/568,283.04
  6. Step 6: Final answer
    x = 432,804.74

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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.