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Finding the Fourth Proportional to 328,567.69, 453,603.95 and 213,946.21

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Solution

The fourth proportional to 328,567.69, 453,603.95 and 213,946.21 is: 295,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,567.69 : 453,603.95 = 213,946.21 : x
  2. Step 2: Convert to fraction form
    328,567.69/453,603.95 = 213,946.21/x
  3. Step 3: Cross multiply
    328,567.69x = 453,603.95 × 213,946.21
  4. Step 4: Simplify right side
    328,567.69x = 97,046,845,943.53
  5. Step 5: Solve for x
    x = 97,046,845,943.53/328,567.69
  6. Step 6: Final answer
    x = 295,363.33

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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.