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Finding the Fourth Proportional to 473,322.64, 653,190.60 and 258,465.28

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Solution

The fourth proportional to 473,322.64, 653,190.60 and 258,465.28 is: 356,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,322.64 : 653,190.60 = 258,465.28 : x
  2. Step 2: Convert to fraction form
    473,322.64/653,190.60 = 258,465.28/x
  3. Step 3: Cross multiply
    473,322.64x = 653,190.60 × 258,465.28
  4. Step 4: Simplify right side
    473,322.64x = 168,827,091,322.37
  5. Step 5: Solve for x
    x = 168,827,091,322.37/473,322.64
  6. Step 6: Final answer
    x = 356,685.01

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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.