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Finding the Fourth Proportional to 626,405.40, 939,608.10 and 466,973.10

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Solution

The fourth proportional to 626,405.40, 939,608.10 and 466,973.10 is: 700,459.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,405.40 : 939,608.10 = 466,973.10 : x
  2. Step 2: Convert to fraction form
    626,405.40/939,608.10 = 466,973.10/x
  3. Step 3: Cross multiply
    626,405.40x = 939,608.10 × 466,973.10
  4. Step 4: Simplify right side
    626,405.40x = 438,771,707,242.11
  5. Step 5: Solve for x
    x = 438,771,707,242.11/626,405.40
  6. Step 6: Final answer
    x = 700,459.65

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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.