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Finding the Fourth Proportional to 556,980.78, 835,515.30 and 157,624.02

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Solution

The fourth proportional to 556,980.78, 835,515.30 and 157,624.02 is: 236,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,980.78 : 835,515.30 = 157,624.02 : x
  2. Step 2: Convert to fraction form
    556,980.78/835,515.30 = 157,624.02/x
  3. Step 3: Cross multiply
    556,980.78x = 835,515.30 × 157,624.02
  4. Step 4: Simplify right side
    556,980.78x = 131,697,280,357.51
  5. Step 5: Solve for x
    x = 131,697,280,357.51/556,980.78
  6. Step 6: Final answer
    x = 236,448.52

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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.