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Finding the Fourth Proportional to 602,076.03, 830,874.30 and 330,168.75

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Solution

The fourth proportional to 602,076.03, 830,874.30 and 330,168.75 is: 455,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,076.03 : 830,874.30 = 330,168.75 : x
  2. Step 2: Convert to fraction form
    602,076.03/830,874.30 = 330,168.75/x
  3. Step 3: Cross multiply
    602,076.03x = 830,874.30 × 330,168.75
  4. Step 4: Simplify right side
    602,076.03x = 274,328,729,038.13
  5. Step 5: Solve for x
    x = 274,328,729,038.13/602,076.03
  6. Step 6: Final answer
    x = 455,638.02

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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.