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Finding the Fourth Proportional to 304,373.99, 420,036.60 and 168,413.67

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Solution

The fourth proportional to 304,373.99, 420,036.60 and 168,413.67 is: 232,411.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,373.99 : 420,036.60 = 168,413.67 : x
  2. Step 2: Convert to fraction form
    304,373.99/420,036.60 = 168,413.67/x
  3. Step 3: Cross multiply
    304,373.99x = 420,036.60 × 168,413.67
  4. Step 4: Simplify right side
    304,373.99x = 70,739,905,340.32
  5. Step 5: Solve for x
    x = 70,739,905,340.32/304,373.99
  6. Step 6: Final answer
    x = 232,411.14

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1.5x scale

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.