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Finding the Fourth Proportional to 588,898.56, 812,924.16 and 445,698.56

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Solution

The fourth proportional to 588,898.56, 812,924.16 and 445,698.56 is: 615,248.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,898.56 : 812,924.16 = 445,698.56 : x
  2. Step 2: Convert to fraction form
    588,898.56/812,924.16 = 445,698.56/x
  3. Step 3: Cross multiply
    588,898.56x = 812,924.16 × 445,698.56
  4. Step 4: Simplify right side
    588,898.56x = 362,319,127,501.21
  5. Step 5: Solve for x
    x = 362,319,127,501.21/588,898.56
  6. Step 6: Final answer
    x = 615,248.79

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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.