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Finding the Fourth Proportional to 3,160,562.76, 4,741,598.52 and 1,030,649.40

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Solution

The fourth proportional to 3,160,562.76, 4,741,598.52 and 1,030,649.40 is: 1,546,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,562.76 : 4,741,598.52 = 1,030,649.40 : x
  2. Step 2: Convert to fraction form
    3,160,562.76/4,741,598.52 = 1,030,649.40/x
  3. Step 3: Cross multiply
    3,160,562.76x = 4,741,598.52 × 1,030,649.40
  4. Step 4: Simplify right side
    3,160,562.76x = 4,886,925,669,678.89
  5. Step 5: Solve for x
    x = 4,886,925,669,678.89/3,160,562.76
  6. Step 6: Final answer
    x = 1,546,220.10

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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.