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Finding the Fourth Proportional to 954,858, 1,317,737.16 and 525,170.64

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Solution

The fourth proportional to 954,858, 1,317,737.16 and 525,170.64 is: 724,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,858 : 1,317,737.16 = 525,170.64 : x
  2. Step 2: Convert to fraction form
    954,858/1,317,737.16 = 525,170.64/x
  3. Step 3: Cross multiply
    954,858x = 1,317,737.16 × 525,170.64
  4. Step 4: Simplify right side
    954,858x = 692,036,867,668.98
  5. Step 5: Solve for x
    x = 692,036,867,668.98/954,858
  6. Step 6: Final answer
    x = 724,753.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.