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Finding the Fourth Proportional to 672,402.52, 927,555.06 and 430,424.74

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Solution

The fourth proportional to 672,402.52, 927,555.06 and 430,424.74 is: 593,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,402.52 : 927,555.06 = 430,424.74 : x
  2. Step 2: Convert to fraction form
    672,402.52/927,555.06 = 430,424.74/x
  3. Step 3: Cross multiply
    672,402.52x = 927,555.06 × 430,424.74
  4. Step 4: Simplify right side
    672,402.52x = 399,242,645,536.18
  5. Step 5: Solve for x
    x = 399,242,645,536.18/672,402.52
  6. Step 6: Final answer
    x = 593,755.43

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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.