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Finding the Fourth Proportional to 559,239.84, 771,752.16 and 304,590.24

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Solution

The fourth proportional to 559,239.84, 771,752.16 and 304,590.24 is: 420,335.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,239.84 : 771,752.16 = 304,590.24 : x
  2. Step 2: Convert to fraction form
    559,239.84/771,752.16 = 304,590.24/x
  3. Step 3: Cross multiply
    559,239.84x = 771,752.16 × 304,590.24
  4. Step 4: Simplify right side
    559,239.84x = 235,068,175,634.92
  5. Step 5: Solve for x
    x = 235,068,175,634.92/559,239.84
  6. Step 6: Final answer
    x = 420,335.17

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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.