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Finding the Fourth Proportional to 702,079.58, 968,874.54 and 430,148

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Solution

The fourth proportional to 702,079.58, 968,874.54 and 430,148 is: 593,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,079.58 : 968,874.54 = 430,148 : x
  2. Step 2: Convert to fraction form
    702,079.58/968,874.54 = 430,148/x
  3. Step 3: Cross multiply
    702,079.58x = 968,874.54 × 430,148
  4. Step 4: Simplify right side
    702,079.58x = 416,759,445,631.92
  5. Step 5: Solve for x
    x = 416,759,445,631.92/702,079.58
  6. Step 6: Final answer
    x = 593,607.13

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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.