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Finding the Fourth Proportional to 384,059.16, 529,853.82 and 240,569.40

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Solution

The fourth proportional to 384,059.16, 529,853.82 and 240,569.40 is: 331,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,059.16 : 529,853.82 = 240,569.40 : x
  2. Step 2: Convert to fraction form
    384,059.16/529,853.82 = 240,569.40/x
  3. Step 3: Cross multiply
    384,059.16x = 529,853.82 × 240,569.40
  4. Step 4: Simplify right side
    384,059.16x = 127,466,615,565.11
  5. Step 5: Solve for x
    x = 127,466,615,565.11/384,059.16
  6. Step 6: Final answer
    x = 331,893.18

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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.