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Finding the Fourth Proportional to 362,519.70, 543,779.55 and 310,031.70

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Solution

The fourth proportional to 362,519.70, 543,779.55 and 310,031.70 is: 465,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,519.70 : 543,779.55 = 310,031.70 : x
  2. Step 2: Convert to fraction form
    362,519.70/543,779.55 = 310,031.70/x
  3. Step 3: Cross multiply
    362,519.70x = 543,779.55 × 310,031.70
  4. Step 4: Simplify right side
    362,519.70x = 168,588,898,311.74
  5. Step 5: Solve for x
    x = 168,588,898,311.74/362,519.70
  6. Step 6: Final answer
    x = 465,047.55

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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.