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Finding the Fourth Proportional to 384,816.72, 530,703.36 and 241,590.24

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Solution

The fourth proportional to 384,816.72, 530,703.36 and 241,590.24 is: 333,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,816.72 : 530,703.36 = 241,590.24 : x
  2. Step 2: Convert to fraction form
    384,816.72/530,703.36 = 241,590.24/x
  3. Step 3: Cross multiply
    384,816.72x = 530,703.36 × 241,590.24
  4. Step 4: Simplify right side
    384,816.72x = 128,212,752,111.21
  5. Step 5: Solve for x
    x = 128,212,752,111.21/384,816.72
  6. Step 6: Final answer
    x = 333,178.75

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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.