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Finding the Fourth Proportional to 228,413.76, 342,495.36 and 70,598.40

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Solution

The fourth proportional to 228,413.76, 342,495.36 and 70,598.40 is: 105,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,413.76 : 342,495.36 = 70,598.40 : x
  2. Step 2: Convert to fraction form
    228,413.76/342,495.36 = 70,598.40/x
  3. Step 3: Cross multiply
    228,413.76x = 342,495.36 × 70,598.40
  4. Step 4: Simplify right side
    228,413.76x = 24,179,624,423.42
  5. Step 5: Solve for x
    x = 24,179,624,423.42/228,413.76
  6. Step 6: Final answer
    x = 105,858.88

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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.