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Finding the Fourth Proportional to 565,528.50, 848,285.35 and 139,068.02

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Solution

The fourth proportional to 565,528.50, 848,285.35 and 139,068.02 is: 208,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,528.50 : 848,285.35 = 139,068.02 : x
  2. Step 2: Convert to fraction form
    565,528.50/848,285.35 = 139,068.02/x
  3. Step 3: Cross multiply
    565,528.50x = 848,285.35 × 139,068.02
  4. Step 4: Simplify right side
    565,528.50x = 117,969,364,019.51
  5. Step 5: Solve for x
    x = 117,969,364,019.51/565,528.50
  6. Step 6: Final answer
    x = 208,600.21

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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.