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Finding the Fourth Proportional to 384,092.16, 529,899.36 and 240,602.40

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Solution

The fourth proportional to 384,092.16, 529,899.36 and 240,602.40 is: 331,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,092.16 : 529,899.36 = 240,602.40 : x
  2. Step 2: Convert to fraction form
    384,092.16/529,899.36 = 240,602.40/x
  3. Step 3: Cross multiply
    384,092.16x = 529,899.36 × 240,602.40
  4. Step 4: Simplify right side
    384,092.16x = 127,495,057,774.46
  5. Step 5: Solve for x
    x = 127,495,057,774.46/384,092.16
  6. Step 6: Final answer
    x = 331,938.71

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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.