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Finding the Fourth Proportional to 319,926, 441,497.88 and 185,798.64

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Solution

The fourth proportional to 319,926, 441,497.88 and 185,798.64 is: 256,402.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,926 : 441,497.88 = 185,798.64 : x
  2. Step 2: Convert to fraction form
    319,926/441,497.88 = 185,798.64/x
  3. Step 3: Cross multiply
    319,926x = 441,497.88 × 185,798.64
  4. Step 4: Simplify right side
    319,926x = 82,029,705,666.88
  5. Step 5: Solve for x
    x = 82,029,705,666.88/319,926
  6. Step 6: Final answer
    x = 256,402.12

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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.