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Finding the Fourth Proportional to 616,203.90, 850,215.66 and 357,927.36

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Solution

The fourth proportional to 616,203.90, 850,215.66 and 357,927.36 is: 493,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,203.90 : 850,215.66 = 357,927.36 : x
  2. Step 2: Convert to fraction form
    616,203.90/850,215.66 = 357,927.36/x
  3. Step 3: Cross multiply
    616,203.90x = 850,215.66 × 357,927.36
  4. Step 4: Simplify right side
    616,203.90x = 304,315,446,614.46
  5. Step 5: Solve for x
    x = 304,315,446,614.46/616,203.90
  6. Step 6: Final answer
    x = 493,855.11

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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.