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Finding the Fourth Proportional to 704,142.41, 971,707.91 and 381,848.60

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Solution

The fourth proportional to 704,142.41, 971,707.91 and 381,848.60 is: 526,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,142.41 : 971,707.91 = 381,848.60 : x
  2. Step 2: Convert to fraction form
    704,142.41/971,707.91 = 381,848.60/x
  3. Step 3: Cross multiply
    704,142.41x = 971,707.91 × 381,848.60
  4. Step 4: Simplify right side
    704,142.41x = 371,045,298,274.64
  5. Step 5: Solve for x
    x = 371,045,298,274.64/704,142.41
  6. Step 6: Final answer
    x = 526,946.39

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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.