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Finding the Fourth Proportional to 539,025.65, 743,852.37 and 297,307.64

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Solution

The fourth proportional to 539,025.65, 743,852.37 and 297,307.64 is: 410,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,025.65 : 743,852.37 = 297,307.64 : x
  2. Step 2: Convert to fraction form
    539,025.65/743,852.37 = 297,307.64/x
  3. Step 3: Cross multiply
    539,025.65x = 743,852.37 × 297,307.64
  4. Step 4: Simplify right side
    539,025.65x = 221,152,994,492.74
  5. Step 5: Solve for x
    x = 221,152,994,492.74/539,025.65
  6. Step 6: Final answer
    x = 410,282.88

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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.