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Finding the Fourth Proportional to 532,645.40, 798,968.10 and 461,106.20

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Solution

The fourth proportional to 532,645.40, 798,968.10 and 461,106.20 is: 691,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,645.40 : 798,968.10 = 461,106.20 : x
  2. Step 2: Convert to fraction form
    532,645.40/798,968.10 = 461,106.20/x
  3. Step 3: Cross multiply
    532,645.40x = 798,968.10 × 461,106.20
  4. Step 4: Simplify right side
    532,645.40x = 368,409,144,512.22
  5. Step 5: Solve for x
    x = 368,409,144,512.22/532,645.40
  6. Step 6: Final answer
    x = 691,659.30

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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.