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Finding the Fourth Proportional to 581,352.40, 872,585.40 and 301,070.80

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Solution

The fourth proportional to 581,352.40, 872,585.40 and 301,070.80 is: 451,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,352.40 : 872,585.40 = 301,070.80 : x
  2. Step 2: Convert to fraction form
    581,352.40/872,585.40 = 301,070.80/x
  3. Step 3: Cross multiply
    581,352.40x = 872,585.40 × 301,070.80
  4. Step 4: Simplify right side
    581,352.40x = 262,709,984,446.32
  5. Step 5: Solve for x
    x = 262,709,984,446.32/581,352.40
  6. Step 6: Final answer
    x = 451,894.56

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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.