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Finding the Fourth Proportional to 423,668.88, 584,599.68 and 242,352

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Solution

The fourth proportional to 423,668.88, 584,599.68 and 242,352 is: 334,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,668.88 : 584,599.68 = 242,352 : x
  2. Step 2: Convert to fraction form
    423,668.88/584,599.68 = 242,352/x
  3. Step 3: Cross multiply
    423,668.88x = 584,599.68 × 242,352
  4. Step 4: Simplify right side
    423,668.88x = 141,678,901,647.36
  5. Step 5: Solve for x
    x = 141,678,901,647.36/423,668.88
  6. Step 6: Final answer
    x = 334,409.51

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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.