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Finding the Fourth Proportional to 370,271.70, 555,407.55 and 370,271.70

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Solution

The fourth proportional to 370,271.70, 555,407.55 and 370,271.70 is: 555,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,271.70 : 555,407.55 = 370,271.70 : x
  2. Step 2: Convert to fraction form
    370,271.70/555,407.55 = 370,271.70/x
  3. Step 3: Cross multiply
    370,271.70x = 555,407.55 × 370,271.70
  4. Step 4: Simplify right side
    370,271.70x = 205,651,697,731.34
  5. Step 5: Solve for x
    x = 205,651,697,731.34/370,271.70
  6. Step 6: Final answer
    x = 555,407.55

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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.