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Finding the Fourth Proportional to 364,813.29, 544,452.95 and 355,365.45

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Solution

The fourth proportional to 364,813.29, 544,452.95 and 355,365.45 is: 530,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,813.29 : 544,452.95 = 355,365.45 : x
  2. Step 2: Convert to fraction form
    364,813.29/544,452.95 = 355,365.45/x
  3. Step 3: Cross multiply
    364,813.29x = 544,452.95 × 355,365.45
  4. Step 4: Simplify right side
    364,813.29x = 193,479,768,468.99
  5. Step 5: Solve for x
    x = 193,479,768,468.99/364,813.29
  6. Step 6: Final answer
    x = 530,352.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.