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Finding the Fourth Proportional to 536,122.76, 739,820.40 and 294,437.12

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Solution

The fourth proportional to 536,122.76, 739,820.40 and 294,437.12 is: 406,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,122.76 : 739,820.40 = 294,437.12 : x
  2. Step 2: Convert to fraction form
    536,122.76/739,820.40 = 294,437.12/x
  3. Step 3: Cross multiply
    536,122.76x = 739,820.40 × 294,437.12
  4. Step 4: Simplify right side
    536,122.76x = 217,830,587,893.25
  5. Step 5: Solve for x
    x = 217,830,587,893.25/536,122.76
  6. Step 6: Final answer
    x = 406,307.29

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Double scale
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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.