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Finding the Fourth Proportional to 653,011.64, 901,178.61 and 362,628.06

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Solution

The fourth proportional to 653,011.64, 901,178.61 and 362,628.06 is: 500,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,011.64 : 901,178.61 = 362,628.06 : x
  2. Step 2: Convert to fraction form
    653,011.64/901,178.61 = 362,628.06/x
  3. Step 3: Cross multiply
    653,011.64x = 901,178.61 × 362,628.06
  4. Step 4: Simplify right side
    653,011.64x = 326,792,651,057.80
  5. Step 5: Solve for x
    x = 326,792,651,057.80/653,011.64
  6. Step 6: Final answer
    x = 500,439.25

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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.