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Finding the Fourth Proportional to 373,929.69, 560,929.80 and 289,784.10

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Solution

The fourth proportional to 373,929.69, 560,929.80 and 289,784.10 is: 434,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,929.69 : 560,929.80 = 289,784.10 : x
  2. Step 2: Convert to fraction form
    373,929.69/560,929.80 = 289,784.10/x
  3. Step 3: Cross multiply
    373,929.69x = 560,929.80 × 289,784.10
  4. Step 4: Simplify right side
    373,929.69x = 162,548,537,256.18
  5. Step 5: Solve for x
    x = 162,548,537,256.18/373,929.69
  6. Step 6: Final answer
    x = 434,703.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.