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Finding the Fourth Proportional to 476,560.96, 657,098.52 and 355,492.06

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Solution

The fourth proportional to 476,560.96, 657,098.52 and 355,492.06 is: 490,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,560.96 : 657,098.52 = 355,492.06 : x
  2. Step 2: Convert to fraction form
    476,560.96/657,098.52 = 355,492.06/x
  3. Step 3: Cross multiply
    476,560.96x = 657,098.52 × 355,492.06
  4. Step 4: Simplify right side
    476,560.96x = 233,593,306,497.75
  5. Step 5: Solve for x
    x = 233,593,306,497.75/476,560.96
  6. Step 6: Final answer
    x = 490,164.59

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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.