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Finding the Fourth Proportional to 583,698.38, 875,619.24 and 199,510.78

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Solution

The fourth proportional to 583,698.38, 875,619.24 and 199,510.78 is: 299,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,698.38 : 875,619.24 = 199,510.78 : x
  2. Step 2: Convert to fraction form
    583,698.38/875,619.24 = 199,510.78/x
  3. Step 3: Cross multiply
    583,698.38x = 875,619.24 × 199,510.78
  4. Step 4: Simplify right side
    583,698.38x = 174,695,477,555.41
  5. Step 5: Solve for x
    x = 174,695,477,555.41/583,698.38
  6. Step 6: Final answer
    x = 299,290.67

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Double scale
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Similar ratio
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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.