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Finding the Fourth Proportional to 369,123.74, 509,455.96 and 352,294.94

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Solution

The fourth proportional to 369,123.74, 509,455.96 and 352,294.94 is: 486,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,123.74 : 509,455.96 = 352,294.94 : x
  2. Step 2: Convert to fraction form
    369,123.74/509,455.96 = 352,294.94/x
  3. Step 3: Cross multiply
    369,123.74x = 509,455.96 × 352,294.94
  4. Step 4: Simplify right side
    369,123.74x = 179,478,756,860.84
  5. Step 5: Solve for x
    x = 179,478,756,860.84/369,123.74
  6. Step 6: Final answer
    x = 486,229.24

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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.