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Finding the Fourth Proportional to 574,328.02, 792,572.69 and 319,673.74

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Solution

The fourth proportional to 574,328.02, 792,572.69 and 319,673.74 is: 441,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,328.02 : 792,572.69 = 319,673.74 : x
  2. Step 2: Convert to fraction form
    574,328.02/792,572.69 = 319,673.74/x
  3. Step 3: Cross multiply
    574,328.02x = 792,572.69 × 319,673.74
  4. Step 4: Simplify right side
    574,328.02x = 253,364,676,034.16
  5. Step 5: Solve for x
    x = 253,364,676,034.16/574,328.02
  6. Step 6: Final answer
    x = 441,149.77

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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.