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Finding the Fourth Proportional to 304,688.96, 457,075.99 and 127,155.32

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Solution

The fourth proportional to 304,688.96, 457,075.99 and 127,155.32 is: 190,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,688.96 : 457,075.99 = 127,155.32 : x
  2. Step 2: Convert to fraction form
    304,688.96/457,075.99 = 127,155.32/x
  3. Step 3: Cross multiply
    304,688.96x = 457,075.99 × 127,155.32
  4. Step 4: Simplify right side
    304,688.96x = 58,119,641,487.39
  5. Step 5: Solve for x
    x = 58,119,641,487.39/304,688.96
  6. Step 6: Final answer
    x = 190,750.73

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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.