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Finding the Fourth Proportional to 404,758.40, 567,491.20 and 404,758.40

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Solution

The fourth proportional to 404,758.40, 567,491.20 and 404,758.40 is: 567,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,758.40 : 567,491.20 = 404,758.40 : x
  2. Step 2: Convert to fraction form
    404,758.40/567,491.20 = 404,758.40/x
  3. Step 3: Cross multiply
    404,758.40x = 567,491.20 × 404,758.40
  4. Step 4: Simplify right side
    404,758.40x = 229,696,830,126.08
  5. Step 5: Solve for x
    x = 229,696,830,126.08/404,758.40
  6. Step 6: Final answer
    x = 567,491.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.