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Finding the Fourth Proportional to 302,413.60, 453,620.40 and 223,681.60

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Solution

The fourth proportional to 302,413.60, 453,620.40 and 223,681.60 is: 335,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,413.60 : 453,620.40 = 223,681.60 : x
  2. Step 2: Convert to fraction form
    302,413.60/453,620.40 = 223,681.60/x
  3. Step 3: Cross multiply
    302,413.60x = 453,620.40 × 223,681.60
  4. Step 4: Simplify right side
    302,413.60x = 101,466,536,864.64
  5. Step 5: Solve for x
    x = 101,466,536,864.64/302,413.60
  6. Step 6: Final answer
    x = 335,522.40

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1.5x scale

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.