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Finding the Fourth Proportional to 934,703.51, 1,401,493.72 and 365,406.55

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Solution

The fourth proportional to 934,703.51, 1,401,493.72 and 365,406.55 is: 547,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,703.51 : 1,401,493.72 = 365,406.55 : x
  2. Step 2: Convert to fraction form
    934,703.51/1,401,493.72 = 365,406.55/x
  3. Step 3: Cross multiply
    934,703.51x = 1,401,493.72 × 365,406.55
  4. Step 4: Simplify right side
    934,703.51x = 512,114,985,071.87
  5. Step 5: Solve for x
    x = 512,114,985,071.87/934,703.51
  6. Step 6: Final answer
    x = 547,890.30

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Double scale
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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.