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Finding the Fourth Proportional to 692,337.65, 954,672.71 and 450,171.14

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Solution

The fourth proportional to 692,337.65, 954,672.71 and 450,171.14 is: 620,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,337.65 : 954,672.71 = 450,171.14 : x
  2. Step 2: Convert to fraction form
    692,337.65/954,672.71 = 450,171.14/x
  3. Step 3: Cross multiply
    692,337.65x = 954,672.71 × 450,171.14
  4. Step 4: Simplify right side
    692,337.65x = 429,766,095,163.37
  5. Step 5: Solve for x
    x = 429,766,095,163.37/692,337.65
  6. Step 6: Final answer
    x = 620,746.39

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Double scale
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1.5x scale

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.