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Finding the Fourth Proportional to 863,069.52, 1,191,152.52 and 523,482.96

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Solution

The fourth proportional to 863,069.52, 1,191,152.52 and 523,482.96 is: 722,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,069.52 : 1,191,152.52 = 523,482.96 : x
  2. Step 2: Convert to fraction form
    863,069.52/1,191,152.52 = 523,482.96/x
  3. Step 3: Cross multiply
    863,069.52x = 1,191,152.52 × 523,482.96
  4. Step 4: Simplify right side
    863,069.52x = 623,548,046,981.06
  5. Step 5: Solve for x
    x = 623,548,046,981.06/863,069.52
  6. Step 6: Final answer
    x = 722,477.20

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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.