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Finding the Fourth Proportional to 532,912.60, 799,368.90 and 529,802.20

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Solution

The fourth proportional to 532,912.60, 799,368.90 and 529,802.20 is: 794,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,912.60 : 799,368.90 = 529,802.20 : x
  2. Step 2: Convert to fraction form
    532,912.60/799,368.90 = 529,802.20/x
  3. Step 3: Cross multiply
    532,912.60x = 799,368.90 × 529,802.20
  4. Step 4: Simplify right side
    532,912.60x = 423,507,401,831.58
  5. Step 5: Solve for x
    x = 423,507,401,831.58/532,912.60
  6. Step 6: Final answer
    x = 794,703.30

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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.