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Finding the Fourth Proportional to 4,899,395.60, 7,349,323.80 and 1,533,712.40

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Solution

The fourth proportional to 4,899,395.60, 7,349,323.80 and 1,533,712.40 is: 2,300,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899,395.60 : 7,349,323.80 = 1,533,712.40 : x
  2. Step 2: Convert to fraction form
    4,899,395.60/7,349,323.80 = 1,533,712.40/x
  3. Step 3: Cross multiply
    4,899,395.60x = 7,349,323.80 × 1,533,712.40
  4. Step 4: Simplify right side
    4,899,395.60x = 11,271,749,043,675.12
  5. Step 5: Solve for x
    x = 11,271,749,043,675.12/4,899,395.60
  6. Step 6: Final answer
    x = 2,300,640.72

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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.