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Finding the Fourth Proportional to 713,916.76, 1,070,165.34 and 357,844

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Solution

The fourth proportional to 713,916.76, 1,070,165.34 and 357,844 is: 536,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,916.76 : 1,070,165.34 = 357,844 : x
  2. Step 2: Convert to fraction form
    713,916.76/1,070,165.34 = 357,844/x
  3. Step 3: Cross multiply
    713,916.76x = 1,070,165.34 × 357,844
  4. Step 4: Simplify right side
    713,916.76x = 382,952,245,926.96
  5. Step 5: Solve for x
    x = 382,952,245,926.96/713,916.76
  6. Step 6: Final answer
    x = 536,410.22

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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.