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Finding the Fourth Proportional to 502,147.94, 692,795.58 and 284,326.83

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Solution

The fourth proportional to 502,147.94, 692,795.58 and 284,326.83 is: 392,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,147.94 : 692,795.58 = 284,326.83 : x
  2. Step 2: Convert to fraction form
    502,147.94/692,795.58 = 284,326.83/x
  3. Step 3: Cross multiply
    502,147.94x = 692,795.58 × 284,326.83
  4. Step 4: Simplify right side
    502,147.94x = 196,980,371,099.41
  5. Step 5: Solve for x
    x = 196,980,371,099.41/502,147.94
  6. Step 6: Final answer
    x = 392,275.58

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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.