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Finding the Fourth Proportional to 608,534.70, 912,607.65 and 253,463.10

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Solution

The fourth proportional to 608,534.70, 912,607.65 and 253,463.10 is: 380,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,534.70 : 912,607.65 = 253,463.10 : x
  2. Step 2: Convert to fraction form
    608,534.70/912,607.65 = 253,463.10/x
  3. Step 3: Cross multiply
    608,534.70x = 912,607.65 × 253,463.10
  4. Step 4: Simplify right side
    608,534.70x = 231,312,364,052.72
  5. Step 5: Solve for x
    x = 231,312,364,052.72/608,534.70
  6. Step 6: Final answer
    x = 380,113.68

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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.