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Finding the Fourth Proportional to 368,141.55, 551,888.33 and 249,427.95

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Solution

The fourth proportional to 368,141.55, 551,888.33 and 249,427.95 is: 373,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,141.55 : 551,888.33 = 249,427.95 : x
  2. Step 2: Convert to fraction form
    368,141.55/551,888.33 = 249,427.95/x
  3. Step 3: Cross multiply
    368,141.55x = 551,888.33 × 249,427.95
  4. Step 4: Simplify right side
    368,141.55x = 137,656,373,533.68
  5. Step 5: Solve for x
    x = 137,656,373,533.68/368,141.55
  6. Step 6: Final answer
    x = 373,922.40

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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.