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Finding the Fourth Proportional to 551,291.56, 760,384.74 and 506,113

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Solution

The fourth proportional to 551,291.56, 760,384.74 and 506,113 is: 698,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,291.56 : 760,384.74 = 506,113 : x
  2. Step 2: Convert to fraction form
    551,291.56/760,384.74 = 506,113/x
  3. Step 3: Cross multiply
    551,291.56x = 760,384.74 × 506,113
  4. Step 4: Simplify right side
    551,291.56x = 384,840,601,915.62
  5. Step 5: Solve for x
    x = 384,840,601,915.62/551,291.56
  6. Step 6: Final answer
    x = 698,070.91

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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.