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Finding the Fourth Proportional to 413,381.28, 570,528.59 and 252,330.06

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Solution

The fourth proportional to 413,381.28, 570,528.59 and 252,330.06 is: 348,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,381.28 : 570,528.59 = 252,330.06 : x
  2. Step 2: Convert to fraction form
    413,381.28/570,528.59 = 252,330.06/x
  3. Step 3: Cross multiply
    413,381.28x = 570,528.59 × 252,330.06
  4. Step 4: Simplify right side
    413,381.28x = 143,961,512,084.77
  5. Step 5: Solve for x
    x = 143,961,512,084.77/413,381.28
  6. Step 6: Final answer
    x = 348,253.58

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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.