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Finding the Fourth Proportional to 508,488, 699,225.12 and 441,303.36

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Solution

The fourth proportional to 508,488, 699,225.12 and 441,303.36 is: 606,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,488 : 699,225.12 = 441,303.36 : x
  2. Step 2: Convert to fraction form
    508,488/699,225.12 = 441,303.36/x
  3. Step 3: Cross multiply
    508,488x = 699,225.12 × 441,303.36
  4. Step 4: Simplify right side
    508,488x = 308,570,394,852.40
  5. Step 5: Solve for x
    x = 308,570,394,852.40/508,488
  6. Step 6: Final answer
    x = 606,839.09

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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.