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Finding the Fourth Proportional to 903,673.71, 1,354,649.09 and 304,326.45

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Solution

The fourth proportional to 903,673.71, 1,354,649.09 and 304,326.45 is: 456,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,673.71 : 1,354,649.09 = 304,326.45 : x
  2. Step 2: Convert to fraction form
    903,673.71/1,354,649.09 = 304,326.45/x
  3. Step 3: Cross multiply
    903,673.71x = 1,354,649.09 × 304,326.45
  4. Step 4: Simplify right side
    903,673.71x = 412,255,547,033.80
  5. Step 5: Solve for x
    x = 412,255,547,033.80/903,673.71
  6. Step 6: Final answer
    x = 456,199.56

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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.