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Finding the Fourth Proportional to 867,609.54, 1,300,564.80 and 362,314.98

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Solution

The fourth proportional to 867,609.54, 1,300,564.80 and 362,314.98 is: 543,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,609.54 : 1,300,564.80 = 362,314.98 : x
  2. Step 2: Convert to fraction form
    867,609.54/1,300,564.80 = 362,314.98/x
  3. Step 3: Cross multiply
    867,609.54x = 1,300,564.80 × 362,314.98
  4. Step 4: Simplify right side
    867,609.54x = 471,214,109,500.70
  5. Step 5: Solve for x
    x = 471,214,109,500.70/867,609.54
  6. Step 6: Final answer
    x = 543,117.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.