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Finding the Fourth Proportional to 323,897.34, 446,979.12 and 180,666.66

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Solution

The fourth proportional to 323,897.34, 446,979.12 and 180,666.66 is: 249,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,897.34 : 446,979.12 = 180,666.66 : x
  2. Step 2: Convert to fraction form
    323,897.34/446,979.12 = 180,666.66/x
  3. Step 3: Cross multiply
    323,897.34x = 446,979.12 × 180,666.66
  4. Step 4: Simplify right side
    323,897.34x = 80,754,224,700.14
  5. Step 5: Solve for x
    x = 80,754,224,700.14/323,897.34
  6. Step 6: Final answer
    x = 249,320.43

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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.