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Finding the Fourth Proportional to 5,908,274.80, 8,865,911.40 and 4,306,807.60

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Solution

The fourth proportional to 5,908,274.80, 8,865,911.40 and 4,306,807.60 is: 6,462,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908,274.80 : 8,865,911.40 = 4,306,807.60 : x
  2. Step 2: Convert to fraction form
    5,908,274.80/8,865,911.40 = 4,306,807.60/x
  3. Step 3: Cross multiply
    5,908,274.80x = 8,865,911.40 × 4,306,807.60
  4. Step 4: Simplify right side
    5,908,274.80x = 38,183,774,598,446.64
  5. Step 5: Solve for x
    x = 38,183,774,598,446.64/5,908,274.80
  6. Step 6: Final answer
    x = 6,462,762.12

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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.