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Finding the Fourth Proportional to 607,838.10, 910,554.30 and 533,042.70

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Solution

The fourth proportional to 607,838.10, 910,554.30 and 533,042.70 is: 798,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,838.10 : 910,554.30 = 533,042.70 : x
  2. Step 2: Convert to fraction form
    607,838.10/910,554.30 = 533,042.70/x
  3. Step 3: Cross multiply
    607,838.10x = 910,554.30 × 533,042.70
  4. Step 4: Simplify right side
    607,838.10x = 485,364,322,568.61
  5. Step 5: Solve for x
    x = 485,364,322,568.61/607,838.10
  6. Step 6: Final answer
    x = 798,509.21

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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.