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Finding the Fourth Proportional to 550,703.75, 826,303.50 and 297,688.01

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Solution

The fourth proportional to 550,703.75, 826,303.50 and 297,688.01 is: 446,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,703.75 : 826,303.50 = 297,688.01 : x
  2. Step 2: Convert to fraction form
    550,703.75/826,303.50 = 297,688.01/x
  3. Step 3: Cross multiply
    550,703.75x = 826,303.50 × 297,688.01
  4. Step 4: Simplify right side
    550,703.75x = 245,980,640,439.52
  5. Step 5: Solve for x
    x = 245,980,640,439.52/550,703.75
  6. Step 6: Final answer
    x = 446,666.00

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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.