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Finding the Fourth Proportional to 934,702.54, 1,401,492.34 and 365,405.59

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Solution

The fourth proportional to 934,702.54, 1,401,492.34 and 365,405.59 is: 547,888.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,702.54 : 1,401,492.34 = 365,405.59 : x
  2. Step 2: Convert to fraction form
    934,702.54/1,401,492.34 = 365,405.59/x
  3. Step 3: Cross multiply
    934,702.54x = 1,401,492.34 × 365,405.59
  4. Step 4: Simplify right side
    934,702.54x = 512,113,135,378.18
  5. Step 5: Solve for x
    x = 512,113,135,378.18/934,702.54
  6. Step 6: Final answer
    x = 547,888.89

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1.5x scale

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.