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Finding the Fourth Proportional to 637,349.16, 877,644.90 and 623,204.76

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Solution

The fourth proportional to 637,349.16, 877,644.90 and 623,204.76 is: 858,167.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,349.16 : 877,644.90 = 623,204.76 : x
  2. Step 2: Convert to fraction form
    637,349.16/877,644.90 = 623,204.76/x
  3. Step 3: Cross multiply
    637,349.16x = 877,644.90 × 623,204.76
  4. Step 4: Simplify right side
    637,349.16x = 546,952,479,269.72
  5. Step 5: Solve for x
    x = 546,952,479,269.72/637,349.16
  6. Step 6: Final answer
    x = 858,167.73

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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.