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Finding the Fourth Proportional to 584,695.50, 874,509.57 and 344,236.47

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Solution

The fourth proportional to 584,695.50, 874,509.57 and 344,236.47 is: 514,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,695.50 : 874,509.57 = 344,236.47 : x
  2. Step 2: Convert to fraction form
    584,695.50/874,509.57 = 344,236.47/x
  3. Step 3: Cross multiply
    584,695.50x = 874,509.57 × 344,236.47
  4. Step 4: Simplify right side
    584,695.50x = 301,038,087,358.02
  5. Step 5: Solve for x
    x = 301,038,087,358.02/584,695.50
  6. Step 6: Final answer
    x = 514,863.01

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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.