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Finding the Fourth Proportional to 454,316.60, 681,474.90 and 365,743.10

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Solution

The fourth proportional to 454,316.60, 681,474.90 and 365,743.10 is: 548,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,316.60 : 681,474.90 = 365,743.10 : x
  2. Step 2: Convert to fraction form
    454,316.60/681,474.90 = 365,743.10/x
  3. Step 3: Cross multiply
    454,316.60x = 681,474.90 × 365,743.10
  4. Step 4: Simplify right side
    454,316.60x = 249,244,742,498.19
  5. Step 5: Solve for x
    x = 249,244,742,498.19/454,316.60
  6. Step 6: Final answer
    x = 548,614.65

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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.