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Finding the Fourth Proportional to 622,109.40, 933,164.10 and 497,693.40

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Solution

The fourth proportional to 622,109.40, 933,164.10 and 497,693.40 is: 746,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,109.40 : 933,164.10 = 497,693.40 : x
  2. Step 2: Convert to fraction form
    622,109.40/933,164.10 = 497,693.40/x
  3. Step 3: Cross multiply
    622,109.40x = 933,164.10 × 497,693.40
  4. Step 4: Simplify right side
    622,109.40x = 464,429,613,686.94
  5. Step 5: Solve for x
    x = 464,429,613,686.94/622,109.40
  6. Step 6: Final answer
    x = 746,540.10

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Double scale
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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.