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Finding the Fourth Proportional to 463,585.80, 695,378.70 and 168,059.40

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Solution

The fourth proportional to 463,585.80, 695,378.70 and 168,059.40 is: 252,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,585.80 : 695,378.70 = 168,059.40 : x
  2. Step 2: Convert to fraction form
    463,585.80/695,378.70 = 168,059.40/x
  3. Step 3: Cross multiply
    463,585.80x = 695,378.70 × 168,059.40
  4. Step 4: Simplify right side
    463,585.80x = 116,864,927,094.78
  5. Step 5: Solve for x
    x = 116,864,927,094.78/463,585.80
  6. Step 6: Final answer
    x = 252,089.10

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Similar ratio
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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.