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Finding the Fourth Proportional to 529,425.36, 730,237.50 and 348,079.32

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Solution

The fourth proportional to 529,425.36, 730,237.50 and 348,079.32 is: 480,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,425.36 : 730,237.50 = 348,079.32 : x
  2. Step 2: Convert to fraction form
    529,425.36/730,237.50 = 348,079.32/x
  3. Step 3: Cross multiply
    529,425.36x = 730,237.50 × 348,079.32
  4. Step 4: Simplify right side
    529,425.36x = 254,180,572,438.50
  5. Step 5: Solve for x
    x = 254,180,572,438.50/529,425.36
  6. Step 6: Final answer
    x = 480,106.53

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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.