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Finding the Fourth Proportional to 556,755.40, 835,130.76 and 201,686.32

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Solution

The fourth proportional to 556,755.40, 835,130.76 and 201,686.32 is: 302,528.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,755.40 : 835,130.76 = 201,686.32 : x
  2. Step 2: Convert to fraction form
    556,755.40/835,130.76 = 201,686.32/x
  3. Step 3: Cross multiply
    556,755.40x = 835,130.76 × 201,686.32
  4. Step 4: Simplify right side
    556,755.40x = 168,434,449,703.20
  5. Step 5: Solve for x
    x = 168,434,449,703.20/556,755.40
  6. Step 6: Final answer
    x = 302,528.63

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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.