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Finding the Fourth Proportional to 672,312.04, 927,790.80 and 366,388.54

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Solution

The fourth proportional to 672,312.04, 927,790.80 and 366,388.54 is: 505,616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,312.04 : 927,790.80 = 366,388.54 : x
  2. Step 2: Convert to fraction form
    672,312.04/927,790.80 = 366,388.54/x
  3. Step 3: Cross multiply
    672,312.04x = 927,790.80 × 366,388.54
  4. Step 4: Simplify right side
    672,312.04x = 339,931,916,637.43
  5. Step 5: Solve for x
    x = 339,931,916,637.43/672,312.04
  6. Step 6: Final answer
    x = 505,616.29

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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.