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Finding the Fourth Proportional to 556,161.36, 767,095.02 and 365,105.04

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Solution

The fourth proportional to 556,161.36, 767,095.02 and 365,105.04 is: 503,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,161.36 : 767,095.02 = 365,105.04 : x
  2. Step 2: Convert to fraction form
    556,161.36/767,095.02 = 365,105.04/x
  3. Step 3: Cross multiply
    556,161.36x = 767,095.02 × 365,105.04
  4. Step 4: Simplify right side
    556,161.36x = 280,070,257,960.90
  5. Step 5: Solve for x
    x = 280,070,257,960.90/556,161.36
  6. Step 6: Final answer
    x = 503,577.34

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Similar ratio
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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.