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Finding the Fourth Proportional to 556,489.37, 767,934.54 and 301,835.09

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Solution

The fourth proportional to 556,489.37, 767,934.54 and 301,835.09 is: 416,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,489.37 : 767,934.54 = 301,835.09 : x
  2. Step 2: Convert to fraction form
    556,489.37/767,934.54 = 301,835.09/x
  3. Step 3: Cross multiply
    556,489.37x = 767,934.54 × 301,835.09
  4. Step 4: Simplify right side
    556,489.37x = 231,789,592,914.85
  5. Step 5: Solve for x
    x = 231,789,592,914.85/556,489.37
  6. Step 6: Final answer
    x = 416,521.15

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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.