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Finding the Fourth Proportional to 273,798.84, 377,831.34 and 152,938.20

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Solution

The fourth proportional to 273,798.84, 377,831.34 and 152,938.20 is: 211,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,798.84 : 377,831.34 = 152,938.20 : x
  2. Step 2: Convert to fraction form
    273,798.84/377,831.34 = 152,938.20/x
  3. Step 3: Cross multiply
    273,798.84x = 377,831.34 × 152,938.20
  4. Step 4: Simplify right side
    273,798.84x = 57,784,845,043.19
  5. Step 5: Solve for x
    x = 57,784,845,043.19/273,798.84
  6. Step 6: Final answer
    x = 211,048.54

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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.