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Finding the Fourth Proportional to 706,193.01, 973,631.63 and 457,392.30

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Solution

The fourth proportional to 706,193.01, 973,631.63 and 457,392.30 is: 630,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,193.01 : 973,631.63 = 457,392.30 : x
  2. Step 2: Convert to fraction form
    706,193.01/973,631.63 = 457,392.30/x
  3. Step 3: Cross multiply
    706,193.01x = 973,631.63 × 457,392.30
  4. Step 4: Simplify right side
    706,193.01x = 445,331,608,090.81
  5. Step 5: Solve for x
    x = 445,331,608,090.81/706,193.01
  6. Step 6: Final answer
    x = 630,608.92

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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.