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Finding the Fourth Proportional to 545,004.94, 817,244.94 and 190,011.10

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Solution

The fourth proportional to 545,004.94, 817,244.94 and 190,011.10 is: 284,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,004.94 : 817,244.94 = 190,011.10 : x
  2. Step 2: Convert to fraction form
    545,004.94/817,244.94 = 190,011.10/x
  3. Step 3: Cross multiply
    545,004.94x = 817,244.94 × 190,011.10
  4. Step 4: Simplify right side
    545,004.94x = 155,285,610,018.83
  5. Step 5: Solve for x
    x = 155,285,610,018.83/545,004.94
  6. Step 6: Final answer
    x = 284,925.14

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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.