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Finding the Fourth Proportional to 473,219.53, 653,039.58 and 258,359.60

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Solution

The fourth proportional to 473,219.53, 653,039.58 and 258,359.60 is: 356,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,219.53 : 653,039.58 = 258,359.60 : x
  2. Step 2: Convert to fraction form
    473,219.53/653,039.58 = 258,359.60/x
  3. Step 3: Cross multiply
    473,219.53x = 653,039.58 × 258,359.60
  4. Step 4: Simplify right side
    473,219.53x = 168,719,047,274.42
  5. Step 5: Solve for x
    x = 168,719,047,274.42/473,219.53
  6. Step 6: Final answer
    x = 356,534.41

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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.