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Finding the Fourth Proportional to 592,898.81, 818,200.17 and 320,966.51

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Solution

The fourth proportional to 592,898.81, 818,200.17 and 320,966.51 is: 442,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,898.81 : 818,200.17 = 320,966.51 : x
  2. Step 2: Convert to fraction form
    592,898.81/818,200.17 = 320,966.51/x
  3. Step 3: Cross multiply
    592,898.81x = 818,200.17 × 320,966.51
  4. Step 4: Simplify right side
    592,898.81x = 262,614,848,955.31
  5. Step 5: Solve for x
    x = 262,614,848,955.31/592,898.81
  6. Step 6: Final answer
    x = 442,933.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.