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Finding the Fourth Proportional to 566,884.65, 782,300.81 and 312,235.84

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Solution

The fourth proportional to 566,884.65, 782,300.81 and 312,235.84 is: 430,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,884.65 : 782,300.81 = 312,235.84 : x
  2. Step 2: Convert to fraction form
    566,884.65/782,300.81 = 312,235.84/x
  3. Step 3: Cross multiply
    566,884.65x = 782,300.81 × 312,235.84
  4. Step 4: Simplify right side
    566,884.65x = 244,262,352,301.50
  5. Step 5: Solve for x
    x = 244,262,352,301.50/566,884.65
  6. Step 6: Final answer
    x = 430,885.46

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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.