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Finding the Fourth Proportional to 605,966.40, 836,762.40 and 380,001.60

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Solution

The fourth proportional to 605,966.40, 836,762.40 and 380,001.60 is: 524,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,966.40 : 836,762.40 = 380,001.60 : x
  2. Step 2: Convert to fraction form
    605,966.40/836,762.40 = 380,001.60/x
  3. Step 3: Cross multiply
    605,966.40x = 836,762.40 × 380,001.60
  4. Step 4: Simplify right side
    605,966.40x = 317,971,050,819.84
  5. Step 5: Solve for x
    x = 317,971,050,819.84/605,966.40
  6. Step 6: Final answer
    x = 524,733.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.