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Finding the Fourth Proportional to 543,037.05, 814,555.58 and 375,075.45

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Solution

The fourth proportional to 543,037.05, 814,555.58 and 375,075.45 is: 562,613.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,037.05 : 814,555.58 = 375,075.45 : x
  2. Step 2: Convert to fraction form
    543,037.05/814,555.58 = 375,075.45/x
  3. Step 3: Cross multiply
    543,037.05x = 814,555.58 × 375,075.45
  4. Step 4: Simplify right side
    543,037.05x = 305,519,798,843.13
  5. Step 5: Solve for x
    x = 305,519,798,843.13/543,037.05
  6. Step 6: Final answer
    x = 562,613.18

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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.