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Finding the Fourth Proportional to 563,762.90, 845,242.60 and 264,080

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Solution

The fourth proportional to 563,762.90, 845,242.60 and 264,080 is: 395,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,762.90 : 845,242.60 = 264,080 : x
  2. Step 2: Convert to fraction form
    563,762.90/845,242.60 = 264,080/x
  3. Step 3: Cross multiply
    563,762.90x = 845,242.60 × 264,080
  4. Step 4: Simplify right side
    563,762.90x = 223,211,665,808
  5. Step 5: Solve for x
    x = 223,211,665,808/563,762.90
  6. Step 6: Final answer
    x = 395,931.81

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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.