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Finding the Fourth Proportional to 565,530.50, 848,288.35 and 139,070.02

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Solution

The fourth proportional to 565,530.50, 848,288.35 and 139,070.02 is: 208,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,530.50 : 848,288.35 = 139,070.02 : x
  2. Step 2: Convert to fraction form
    565,530.50/848,288.35 = 139,070.02/x
  3. Step 3: Cross multiply
    565,530.50x = 848,288.35 × 139,070.02
  4. Step 4: Simplify right side
    565,530.50x = 117,971,477,800.27
  5. Step 5: Solve for x
    x = 117,971,477,800.27/565,530.50
  6. Step 6: Final answer
    x = 208,603.21

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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.