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Finding the Fourth Proportional to 713,675.76, 1,070,633.62 and 353,864.37

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Solution

The fourth proportional to 713,675.76, 1,070,633.62 and 353,864.37 is: 530,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,675.76 : 1,070,633.62 = 353,864.37 : x
  2. Step 2: Convert to fraction form
    713,675.76/1,070,633.62 = 353,864.37/x
  3. Step 3: Cross multiply
    713,675.76x = 1,070,633.62 × 353,864.37
  4. Step 4: Simplify right side
    713,675.76x = 378,859,091,442.12
  5. Step 5: Solve for x
    x = 378,859,091,442.12/713,675.76
  6. Step 6: Final answer
    x = 530,856.05

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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.