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Finding the Fourth Proportional to 423,646.50, 584,684.01 and 244,798.50

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Solution

The fourth proportional to 423,646.50, 584,684.01 and 244,798.50 is: 337,851.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,646.50 : 584,684.01 = 244,798.50 : x
  2. Step 2: Convert to fraction form
    423,646.50/584,684.01 = 244,798.50/x
  3. Step 3: Cross multiply
    423,646.50x = 584,684.01 × 244,798.50
  4. Step 4: Simplify right side
    423,646.50x = 143,129,768,621.99
  5. Step 5: Solve for x
    x = 143,129,768,621.99/423,646.50
  6. Step 6: Final answer
    x = 337,851.89

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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.