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Finding the Fourth Proportional to 710,668, 1,065,698.54 and 411,355.16

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Solution

The fourth proportional to 710,668, 1,065,698.54 and 411,355.16 is: 616,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,668 : 1,065,698.54 = 411,355.16 : x
  2. Step 2: Convert to fraction form
    710,668/1,065,698.54 = 411,355.16/x
  3. Step 3: Cross multiply
    710,668x = 1,065,698.54 × 411,355.16
  4. Step 4: Simplify right side
    710,668x = 438,380,593,433.47
  5. Step 5: Solve for x
    x = 438,380,593,433.47/710,668
  6. Step 6: Final answer
    x = 616,857.09

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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.