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Finding the Fourth Proportional to 336,349.29, 504,525.75 and 87,031.29

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Solution

The fourth proportional to 336,349.29, 504,525.75 and 87,031.29 is: 130,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,349.29 : 504,525.75 = 87,031.29 : x
  2. Step 2: Convert to fraction form
    336,349.29/504,525.75 = 87,031.29/x
  3. Step 3: Cross multiply
    336,349.29x = 504,525.75 × 87,031.29
  4. Step 4: Simplify right side
    336,349.29x = 43,909,526,860.72
  5. Step 5: Solve for x
    x = 43,909,526,860.72/336,349.29
  6. Step 6: Final answer
    x = 130,547.40

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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.