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Finding the Fourth Proportional to 517,280.62, 714,175.23 and 354,210.01

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Solution

The fourth proportional to 517,280.62, 714,175.23 and 354,210.01 is: 489,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,280.62 : 714,175.23 = 354,210.01 : x
  2. Step 2: Convert to fraction form
    517,280.62/714,175.23 = 354,210.01/x
  3. Step 3: Cross multiply
    517,280.62x = 714,175.23 × 354,210.01
  4. Step 4: Simplify right side
    517,280.62x = 252,968,015,360.05
  5. Step 5: Solve for x
    x = 252,968,015,360.05/517,280.62
  6. Step 6: Final answer
    x = 489,034.40

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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.