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Finding the Fourth Proportional to 522,877.36, 784,316 and 365,413.36

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Solution

The fourth proportional to 522,877.36, 784,316 and 365,413.36 is: 548,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,877.36 : 784,316 = 365,413.36 : x
  2. Step 2: Convert to fraction form
    522,877.36/784,316 = 365,413.36/x
  3. Step 3: Cross multiply
    522,877.36x = 784,316 × 365,413.36
  4. Step 4: Simplify right side
    522,877.36x = 286,599,544,861.76
  5. Step 5: Solve for x
    x = 286,599,544,861.76/522,877.36
  6. Step 6: Final answer
    x = 548,120.01

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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.