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Finding the Fourth Proportional to 504,425.48, 755,303.34 and 304,478.60

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Solution

The fourth proportional to 504,425.48, 755,303.34 and 304,478.60 is: 455,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,425.48 : 755,303.34 = 304,478.60 : x
  2. Step 2: Convert to fraction form
    504,425.48/755,303.34 = 304,478.60/x
  3. Step 3: Cross multiply
    504,425.48x = 755,303.34 × 304,478.60
  4. Step 4: Simplify right side
    504,425.48x = 229,973,703,538.52
  5. Step 5: Solve for x
    x = 229,973,703,538.52/504,425.48
  6. Step 6: Final answer
    x = 455,912.15

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1.5x scale

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.