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Finding the Fourth Proportional to 525,482.64, 719,913.83 and 505,802.48

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Solution

The fourth proportional to 525,482.64, 719,913.83 and 505,802.48 is: 692,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,482.64 : 719,913.83 = 505,802.48 : x
  2. Step 2: Convert to fraction form
    525,482.64/719,913.83 = 505,802.48/x
  3. Step 3: Cross multiply
    525,482.64x = 719,913.83 × 505,802.48
  4. Step 4: Simplify right side
    525,482.64x = 364,134,194,471.72
  5. Step 5: Solve for x
    x = 364,134,194,471.72/525,482.64
  6. Step 6: Final answer
    x = 692,951.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.