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Finding the Fourth Proportional to 350,804.40, 525,688.20 and 297,927.60

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Solution

The fourth proportional to 350,804.40, 525,688.20 and 297,927.60 is: 446,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,804.40 : 525,688.20 = 297,927.60 : x
  2. Step 2: Convert to fraction form
    350,804.40/525,688.20 = 297,927.60/x
  3. Step 3: Cross multiply
    350,804.40x = 525,688.20 × 297,927.60
  4. Step 4: Simplify right side
    350,804.40x = 156,617,023,774.32
  5. Step 5: Solve for x
    x = 156,617,023,774.32/350,804.40
  6. Step 6: Final answer
    x = 446,451.14

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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.