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Finding the Fourth Proportional to 556,168.92, 767,105.28 and 365,112.60

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Solution

The fourth proportional to 556,168.92, 767,105.28 and 365,112.60 is: 503,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,168.92 : 767,105.28 = 365,112.60 : x
  2. Step 2: Convert to fraction form
    556,168.92/767,105.28 = 365,112.60/x
  3. Step 3: Cross multiply
    556,168.92x = 767,105.28 × 365,112.60
  4. Step 4: Simplify right side
    556,168.92x = 280,079,803,254.53
  5. Step 5: Solve for x
    x = 280,079,803,254.53/556,168.92
  6. Step 6: Final answer
    x = 503,587.66

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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.