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Finding the Fourth Proportional to 590,533.20, 885,929.40 and 191,192.40

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Solution

The fourth proportional to 590,533.20, 885,929.40 and 191,192.40 is: 286,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,533.20 : 885,929.40 = 191,192.40 : x
  2. Step 2: Convert to fraction form
    590,533.20/885,929.40 = 191,192.40/x
  3. Step 3: Cross multiply
    590,533.20x = 885,929.40 × 191,192.40
  4. Step 4: Simplify right side
    590,533.20x = 169,382,968,216.56
  5. Step 5: Solve for x
    x = 169,382,968,216.56/590,533.20
  6. Step 6: Final answer
    x = 286,830.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.