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Finding the Fourth Proportional to 556,155.36, 767,086.74 and 365,099.04

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Solution

The fourth proportional to 556,155.36, 767,086.74 and 365,099.04 is: 503,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,155.36 : 767,086.74 = 365,099.04 : x
  2. Step 2: Convert to fraction form
    556,155.36/767,086.74 = 365,099.04/x
  3. Step 3: Cross multiply
    556,155.36x = 767,086.74 × 365,099.04
  4. Step 4: Simplify right side
    556,155.36x = 280,062,632,370.73
  5. Step 5: Solve for x
    x = 280,062,632,370.73/556,155.36
  6. Step 6: Final answer
    x = 503,569.06

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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.