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Finding the Fourth Proportional to 264,545.67, 365,075.67 and 143,689.32

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Solution

The fourth proportional to 264,545.67, 365,075.67 and 143,689.32 is: 198,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,545.67 : 365,075.67 = 143,689.32 : x
  2. Step 2: Convert to fraction form
    264,545.67/365,075.67 = 143,689.32/x
  3. Step 3: Cross multiply
    264,545.67x = 365,075.67 × 143,689.32
  4. Step 4: Simplify right side
    264,545.67x = 52,457,474,770.84
  5. Step 5: Solve for x
    x = 52,457,474,770.84/264,545.67
  6. Step 6: Final answer
    x = 198,292.70

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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.