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Finding the Fourth Proportional to 672,624.20, 927,696.51 and 430,929.27

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Solution

The fourth proportional to 672,624.20, 927,696.51 and 430,929.27 is: 594,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,624.20 : 927,696.51 = 430,929.27 : x
  2. Step 2: Convert to fraction form
    672,624.20/927,696.51 = 430,929.27/x
  3. Step 3: Cross multiply
    672,624.20x = 927,696.51 × 430,929.27
  4. Step 4: Simplify right side
    672,624.20x = 399,771,579,835.85
  5. Step 5: Solve for x
    x = 399,771,579,835.85/672,624.20
  6. Step 6: Final answer
    x = 594,346.11

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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.