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Finding the Fourth Proportional to 672,603.54, 927,667.71 and 430,908.42

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Solution

The fourth proportional to 672,603.54, 927,667.71 and 430,908.42 is: 594,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,603.54 : 927,667.71 = 430,908.42 : x
  2. Step 2: Convert to fraction form
    672,603.54/927,667.71 = 430,908.42/x
  3. Step 3: Cross multiply
    672,603.54x = 927,667.71 × 430,908.42
  4. Step 4: Simplify right side
    672,603.54x = 399,739,827,201.12
  5. Step 5: Solve for x
    x = 399,739,827,201.12/672,603.54
  6. Step 6: Final answer
    x = 594,317.16

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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.