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Finding the Fourth Proportional to 559,445.08, 772,034.29 and 304,796.27

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Solution

The fourth proportional to 559,445.08, 772,034.29 and 304,796.27 is: 420,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,445.08 : 772,034.29 = 304,796.27 : x
  2. Step 2: Convert to fraction form
    559,445.08/772,034.29 = 304,796.27/x
  3. Step 3: Cross multiply
    559,445.08x = 772,034.29 × 304,796.27
  4. Step 4: Simplify right side
    559,445.08x = 235,313,168,043.93
  5. Step 5: Solve for x
    x = 235,313,168,043.93/559,445.08
  6. Step 6: Final answer
    x = 420,618.89

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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.