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Finding the Fourth Proportional to 606,669.40, 910,695.30 and 357,491.80

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Solution

The fourth proportional to 606,669.40, 910,695.30 and 357,491.80 is: 536,645.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,669.40 : 910,695.30 = 357,491.80 : x
  2. Step 2: Convert to fraction form
    606,669.40/910,695.30 = 357,491.80/x
  3. Step 3: Cross multiply
    606,669.40x = 910,695.30 × 357,491.80
  4. Step 4: Simplify right side
    606,669.40x = 325,566,102,048.54
  5. Step 5: Solve for x
    x = 325,566,102,048.54/606,669.40
  6. Step 6: Final answer
    x = 536,645.00

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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.