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Finding the Fourth Proportional to 670,968, 925,935.84 and 369,155.52

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Solution

The fourth proportional to 670,968, 925,935.84 and 369,155.52 is: 509,434.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,968 : 925,935.84 = 369,155.52 : x
  2. Step 2: Convert to fraction form
    670,968/925,935.84 = 369,155.52/x
  3. Step 3: Cross multiply
    670,968x = 925,935.84 × 369,155.52
  4. Step 4: Simplify right side
    670,968x = 341,814,326,501.84
  5. Step 5: Solve for x
    x = 341,814,326,501.84/670,968
  6. Step 6: Final answer
    x = 509,434.62

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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.