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Finding the Fourth Proportional to 556,312.65, 834,534.11 and 177,100.53

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Solution

The fourth proportional to 556,312.65, 834,534.11 and 177,100.53 is: 265,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,312.65 : 834,534.11 = 177,100.53 : x
  2. Step 2: Convert to fraction form
    556,312.65/834,534.11 = 177,100.53/x
  3. Step 3: Cross multiply
    556,312.65x = 834,534.11 × 177,100.53
  4. Step 4: Simplify right side
    556,312.65x = 147,796,433,184.08
  5. Step 5: Solve for x
    x = 147,796,433,184.08/556,312.65
  6. Step 6: Final answer
    x = 265,671.53

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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.