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Finding the Fourth Proportional to 371,527.56, 557,312.40 and 118,830.24

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Solution

The fourth proportional to 371,527.56, 557,312.40 and 118,830.24 is: 178,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,527.56 : 557,312.40 = 118,830.24 : x
  2. Step 2: Convert to fraction form
    371,527.56/557,312.40 = 118,830.24/x
  3. Step 3: Cross multiply
    371,527.56x = 557,312.40 × 118,830.24
  4. Step 4: Simplify right side
    371,527.56x = 66,225,566,246.98
  5. Step 5: Solve for x
    x = 66,225,566,246.98/371,527.56
  6. Step 6: Final answer
    x = 178,252.10

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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.