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Finding the Fourth Proportional to 590,541.60, 885,898.80 and 191,114.40

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Solution

The fourth proportional to 590,541.60, 885,898.80 and 191,114.40 is: 286,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,541.60 : 885,898.80 = 191,114.40 : x
  2. Step 2: Convert to fraction form
    590,541.60/885,898.80 = 191,114.40/x
  3. Step 3: Cross multiply
    590,541.60x = 885,898.80 × 191,114.40
  4. Step 4: Simplify right side
    590,541.60x = 169,308,017,622.72
  5. Step 5: Solve for x
    x = 169,308,017,622.72/590,541.60
  6. Step 6: Final answer
    x = 286,699.56

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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.