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Finding the Fourth Proportional to 357,515.40, 536,404.46 and 336,388.98

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Solution

The fourth proportional to 357,515.40, 536,404.46 and 336,388.98 is: 504,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,515.40 : 536,404.46 = 336,388.98 : x
  2. Step 2: Convert to fraction form
    357,515.40/536,404.46 = 336,388.98/x
  3. Step 3: Cross multiply
    357,515.40x = 536,404.46 × 336,388.98
  4. Step 4: Simplify right side
    357,515.40x = 180,440,547,484.91
  5. Step 5: Solve for x
    x = 180,440,547,484.91/357,515.40
  6. Step 6: Final answer
    x = 504,707.06

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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.