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Finding the Fourth Proportional to 702,063, 968,453.28 and 430,262.64

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Solution

The fourth proportional to 702,063, 968,453.28 and 430,262.64 is: 593,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,063 : 968,453.28 = 430,262.64 : x
  2. Step 2: Convert to fraction form
    702,063/968,453.28 = 430,262.64/x
  3. Step 3: Cross multiply
    702,063x = 968,453.28 × 430,262.64
  4. Step 4: Simplify right side
    702,063x = 416,689,264,969.46
  5. Step 5: Solve for x
    x = 416,689,264,969.46/702,063
  6. Step 6: Final answer
    x = 593,521.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.