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Finding the Fourth Proportional to 370,816.79, 554,701.80 and 296,082.89

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Solution

The fourth proportional to 370,816.79, 554,701.80 and 296,082.89 is: 442,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,816.79 : 554,701.80 = 296,082.89 : x
  2. Step 2: Convert to fraction form
    370,816.79/554,701.80 = 296,082.89/x
  3. Step 3: Cross multiply
    370,816.79x = 554,701.80 × 296,082.89
  4. Step 4: Simplify right side
    370,816.79x = 164,237,713,071.13
  5. Step 5: Solve for x
    x = 164,237,713,071.13/370,816.79
  6. Step 6: Final answer
    x = 442,907.98

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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.