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Finding the Fourth Proportional to 672,089.58, 927,483.09 and 370,283.58

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Solution

The fourth proportional to 672,089.58, 927,483.09 and 370,283.58 is: 510,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,089.58 : 927,483.09 = 370,283.58 : x
  2. Step 2: Convert to fraction form
    672,089.58/927,483.09 = 370,283.58/x
  3. Step 3: Cross multiply
    672,089.58x = 927,483.09 × 370,283.58
  4. Step 4: Simplify right side
    672,089.58x = 343,431,758,954.66
  5. Step 5: Solve for x
    x = 343,431,758,954.66/672,089.58
  6. Step 6: Final answer
    x = 510,991.05

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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.