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Finding the Fourth Proportional to 700,698.02, 1,051,047 and 168,219.05

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Solution

The fourth proportional to 700,698.02, 1,051,047 and 168,219.05 is: 252,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,698.02 : 1,051,047 = 168,219.05 : x
  2. Step 2: Convert to fraction form
    700,698.02/1,051,047 = 168,219.05/x
  3. Step 3: Cross multiply
    700,698.02x = 1,051,047 × 168,219.05
  4. Step 4: Simplify right side
    700,698.02x = 176,806,122,590.12
  5. Step 5: Solve for x
    x = 176,806,122,590.12/700,698.02
  6. Step 6: Final answer
    x = 252,328.56

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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.