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Finding the Fourth Proportional to 609,760.56, 841,565.52 and 348,116.52

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Solution

The fourth proportional to 609,760.56, 841,565.52 and 348,116.52 is: 480,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,760.56 : 841,565.52 = 348,116.52 : x
  2. Step 2: Convert to fraction form
    609,760.56/841,565.52 = 348,116.52/x
  3. Step 3: Cross multiply
    609,760.56x = 841,565.52 × 348,116.52
  4. Step 4: Simplify right side
    609,760.56x = 292,962,860,174.39
  5. Step 5: Solve for x
    x = 292,962,860,174.39/609,760.56
  6. Step 6: Final answer
    x = 480,455.57

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1.5x scale

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.