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Finding the Fourth Proportional to 539,359.04, 744,303.12 and 297,664.40

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Solution

The fourth proportional to 539,359.04, 744,303.12 and 297,664.40 is: 410,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,359.04 : 744,303.12 = 297,664.40 : x
  2. Step 2: Convert to fraction form
    539,359.04/744,303.12 = 297,664.40/x
  3. Step 3: Cross multiply
    539,359.04x = 744,303.12 × 297,664.40
  4. Step 4: Simplify right side
    539,359.04x = 221,552,541,632.93
  5. Step 5: Solve for x
    x = 221,552,541,632.93/539,359.04
  6. Step 6: Final answer
    x = 410,770.05

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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.