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Finding the Fourth Proportional to 556,303.63, 834,520.61 and 177,091.50

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Solution

The fourth proportional to 556,303.63, 834,520.61 and 177,091.50 is: 265,657.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,303.63 : 834,520.61 = 177,091.50 : x
  2. Step 2: Convert to fraction form
    556,303.63/834,520.61 = 177,091.50/x
  3. Step 3: Cross multiply
    556,303.63x = 834,520.61 × 177,091.50
  4. Step 4: Simplify right side
    556,303.63x = 147,786,506,605.82
  5. Step 5: Solve for x
    x = 147,786,506,605.82/556,303.63
  6. Step 6: Final answer
    x = 265,657.99

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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.