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Finding the Fourth Proportional to 560,075.67, 772,678.62 and 324,174.38

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Solution

The fourth proportional to 560,075.67, 772,678.62 and 324,174.38 is: 447,229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,075.67 : 772,678.62 = 324,174.38 : x
  2. Step 2: Convert to fraction form
    560,075.67/772,678.62 = 324,174.38/x
  3. Step 3: Cross multiply
    560,075.67x = 772,678.62 × 324,174.38
  4. Step 4: Simplify right side
    560,075.67x = 250,482,608,714.36
  5. Step 5: Solve for x
    x = 250,482,608,714.36/560,075.67
  6. Step 6: Final answer
    x = 447,229.94

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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.