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Finding the Fourth Proportional to 369,816.78, 510,210.18 and 273,253.44

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Solution

The fourth proportional to 369,816.78, 510,210.18 and 273,253.44 is: 376,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,816.78 : 510,210.18 = 273,253.44 : x
  2. Step 2: Convert to fraction form
    369,816.78/510,210.18 = 273,253.44/x
  3. Step 3: Cross multiply
    369,816.78x = 510,210.18 × 273,253.44
  4. Step 4: Simplify right side
    369,816.78x = 139,416,686,808.02
  5. Step 5: Solve for x
    x = 139,416,686,808.02/369,816.78
  6. Step 6: Final answer
    x = 376,988.54

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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.