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Finding the Fourth Proportional to 672,483.50, 927,502.23 and 430,788.54

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Solution

The fourth proportional to 672,483.50, 927,502.23 and 430,788.54 is: 594,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,483.50 : 927,502.23 = 430,788.54 : x
  2. Step 2: Convert to fraction form
    672,483.50/927,502.23 = 430,788.54/x
  3. Step 3: Cross multiply
    672,483.50x = 927,502.23 × 430,788.54
  4. Step 4: Simplify right side
    672,483.50x = 399,557,329,354.50
  5. Step 5: Solve for x
    x = 399,557,329,354.50/672,483.50
  6. Step 6: Final answer
    x = 594,151.87

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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.