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Finding the Fourth Proportional to 590,486.69, 885,870.63 and 191,127.53

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Solution

The fourth proportional to 590,486.69, 885,870.63 and 191,127.53 is: 286,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,486.69 : 885,870.63 = 191,127.53 : x
  2. Step 2: Convert to fraction form
    590,486.69/885,870.63 = 191,127.53/x
  3. Step 3: Cross multiply
    590,486.69x = 885,870.63 × 191,127.53
  4. Step 4: Simplify right side
    590,486.69x = 169,314,265,411.44
  5. Step 5: Solve for x
    x = 169,314,265,411.44/590,486.69
  6. Step 6: Final answer
    x = 286,736.80

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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.