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Finding the Fourth Proportional to 1,668,700.60, 2,502,905.10 and 546,769.60

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Solution

The fourth proportional to 1,668,700.60, 2,502,905.10 and 546,769.60 is: 820,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,700.60 : 2,502,905.10 = 546,769.60 : x
  2. Step 2: Convert to fraction form
    1,668,700.60/2,502,905.10 = 546,769.60/x
  3. Step 3: Cross multiply
    1,668,700.60x = 2,502,905.10 × 546,769.60
  4. Step 4: Simplify right side
    1,668,700.60x = 1,368,512,420,364.96
  5. Step 5: Solve for x
    x = 1,368,512,420,364.96/1,668,700.60
  6. Step 6: Final answer
    x = 820,106.63

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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.