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Finding the Fourth Proportional to 554,631.87, 832,055.63 and 213,050.32

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Solution

The fourth proportional to 554,631.87, 832,055.63 and 213,050.32 is: 319,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,631.87 : 832,055.63 = 213,050.32 : x
  2. Step 2: Convert to fraction form
    554,631.87/832,055.63 = 213,050.32/x
  3. Step 3: Cross multiply
    554,631.87x = 832,055.63 × 213,050.32
  4. Step 4: Simplify right side
    554,631.87x = 177,269,716,881.52
  5. Step 5: Solve for x
    x = 177,269,716,881.52/554,631.87
  6. Step 6: Final answer
    x = 319,616.90

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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.