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Finding the Fourth Proportional to 545,088.52, 817,570.50 and 145,760.44

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Solution

The fourth proportional to 545,088.52, 817,570.50 and 145,760.44 is: 218,624.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,088.52 : 817,570.50 = 145,760.44 : x
  2. Step 2: Convert to fraction form
    545,088.52/817,570.50 = 145,760.44/x
  3. Step 3: Cross multiply
    545,088.52x = 817,570.50 × 145,760.44
  4. Step 4: Simplify right side
    545,088.52x = 119,169,430,994.37
  5. Step 5: Solve for x
    x = 119,169,430,994.37/545,088.52
  6. Step 6: Final answer
    x = 218,624.00

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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.