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Finding the Fourth Proportional to 556,180.86, 767,121.93 and 365,124.54

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Solution

The fourth proportional to 556,180.86, 767,121.93 and 365,124.54 is: 503,604.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,180.86 : 767,121.93 = 365,124.54 : x
  2. Step 2: Convert to fraction form
    556,180.86/767,121.93 = 365,124.54/x
  3. Step 3: Cross multiply
    556,180.86x = 767,121.93 × 365,124.54
  4. Step 4: Simplify right side
    556,180.86x = 280,095,041,815.16
  5. Step 5: Solve for x
    x = 280,095,041,815.16/556,180.86
  6. Step 6: Final answer
    x = 503,604.24

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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.