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Finding the Fourth Proportional to 571,530.51, 857,390.54 and 192,483.32

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Solution

The fourth proportional to 571,530.51, 857,390.54 and 192,483.32 is: 288,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,530.51 : 857,390.54 = 192,483.32 : x
  2. Step 2: Convert to fraction form
    571,530.51/857,390.54 = 192,483.32/x
  3. Step 3: Cross multiply
    571,530.51x = 857,390.54 × 192,483.32
  4. Step 4: Simplify right side
    571,530.51x = 165,033,372,426.42
  5. Step 5: Solve for x
    x = 165,033,372,426.42/571,530.51
  6. Step 6: Final answer
    x = 288,756.89

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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.