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Finding the Fourth Proportional to 473,313.36, 653,199 and 258,473.40

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Solution

The fourth proportional to 473,313.36, 653,199 and 258,473.40 is: 356,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,313.36 : 653,199 = 258,473.40 : x
  2. Step 2: Convert to fraction form
    473,313.36/653,199 = 258,473.40/x
  3. Step 3: Cross multiply
    473,313.36x = 653,199 × 258,473.40
  4. Step 4: Simplify right side
    473,313.36x = 168,834,566,406.60
  5. Step 5: Solve for x
    x = 168,834,566,406.60/473,313.36
  6. Step 6: Final answer
    x = 356,707.80

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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.