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Finding the Fourth Proportional to 294,355.89, 406,155.60 and 173,535.08

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Solution

The fourth proportional to 294,355.89, 406,155.60 and 173,535.08 is: 239,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,355.89 : 406,155.60 = 173,535.08 : x
  2. Step 2: Convert to fraction form
    294,355.89/406,155.60 = 173,535.08/x
  3. Step 3: Cross multiply
    294,355.89x = 406,155.60 × 173,535.08
  4. Step 4: Simplify right side
    294,355.89x = 70,482,242,507.67
  5. Step 5: Solve for x
    x = 70,482,242,507.67/294,355.89
  6. Step 6: Final answer
    x = 239,445.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.