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Finding the Fourth Proportional to 348,646.48, 522,970.04 and 243,670.48

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Solution

The fourth proportional to 348,646.48, 522,970.04 and 243,670.48 is: 365,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,646.48 : 522,970.04 = 243,670.48 : x
  2. Step 2: Convert to fraction form
    348,646.48/522,970.04 = 243,670.48/x
  3. Step 3: Cross multiply
    348,646.48x = 522,970.04 × 243,670.48
  4. Step 4: Simplify right side
    348,646.48x = 127,432,360,672.42
  5. Step 5: Solve for x
    x = 127,432,360,672.42/348,646.48
  6. Step 6: Final answer
    x = 365,505.94

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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.