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Finding the Fourth Proportional to 675,412.38, 932,076.44 and 369,482.19

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Solution

The fourth proportional to 675,412.38, 932,076.44 and 369,482.19 is: 509,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,412.38 : 932,076.44 = 369,482.19 : x
  2. Step 2: Convert to fraction form
    675,412.38/932,076.44 = 369,482.19/x
  3. Step 3: Cross multiply
    675,412.38x = 932,076.44 × 369,482.19
  4. Step 4: Simplify right side
    675,412.38x = 344,385,646,623.56
  5. Step 5: Solve for x
    x = 344,385,646,623.56/675,412.38
  6. Step 6: Final answer
    x = 509,889.45

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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.