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Finding the Fourth Proportional to 571,019.00, 856,196.50 and 216,060.40

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Solution

The fourth proportional to 571,019.00, 856,196.50 and 216,060.40 is: 323,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,019.00 : 856,196.50 = 216,060.40 : x
  2. Step 2: Convert to fraction form
    571,019.00/856,196.50 = 216,060.40/x
  3. Step 3: Cross multiply
    571,019.00x = 856,196.50 × 216,060.40
  4. Step 4: Simplify right side
    571,019.00x = 184,990,153,712.51
  5. Step 5: Solve for x
    x = 184,990,153,712.51/571,019.00
  6. Step 6: Final answer
    x = 323,964.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.