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Finding the Fourth Proportional to 615,371.04, 923,090.16 and 194,615.52

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Solution

The fourth proportional to 615,371.04, 923,090.16 and 194,615.52 is: 291,933.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,371.04 : 923,090.16 = 194,615.52 : x
  2. Step 2: Convert to fraction form
    615,371.04/923,090.16 = 194,615.52/x
  3. Step 3: Cross multiply
    615,371.04x = 923,090.16 × 194,615.52
  4. Step 4: Simplify right side
    615,371.04x = 179,647,671,495.28
  5. Step 5: Solve for x
    x = 179,647,671,495.28/615,371.04
  6. Step 6: Final answer
    x = 291,933.91

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1.5x scale

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.