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Finding the Fourth Proportional to 713,917.76, 1,070,166.84 and 357,845

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Solution

The fourth proportional to 713,917.76, 1,070,166.84 and 357,845 is: 536,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,917.76 : 1,070,166.84 = 357,845 : x
  2. Step 2: Convert to fraction form
    713,917.76/1,070,166.84 = 357,845/x
  3. Step 3: Cross multiply
    713,917.76x = 1,070,166.84 × 357,845
  4. Step 4: Simplify right side
    713,917.76x = 382,953,852,859.80
  5. Step 5: Solve for x
    x = 382,953,852,859.80/713,917.76
  6. Step 6: Final answer
    x = 536,411.72

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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.