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Finding the Fourth Proportional to 262,244.70, 393,075.45 and 144,000.90

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Solution

The fourth proportional to 262,244.70, 393,075.45 and 144,000.90 is: 215,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,244.70 : 393,075.45 = 144,000.90 : x
  2. Step 2: Convert to fraction form
    262,244.70/393,075.45 = 144,000.90/x
  3. Step 3: Cross multiply
    262,244.70x = 393,075.45 × 144,000.90
  4. Step 4: Simplify right side
    262,244.70x = 56,603,218,567.91
  5. Step 5: Solve for x
    x = 56,603,218,567.91/262,244.70
  6. Step 6: Final answer
    x = 215,841.23

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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.