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Finding the Fourth Proportional to 977,668.60, 1,466,648.70 and 346,532.80

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Solution

The fourth proportional to 977,668.60, 1,466,648.70 and 346,532.80 is: 519,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,668.60 : 1,466,648.70 = 346,532.80 : x
  2. Step 2: Convert to fraction form
    977,668.60/1,466,648.70 = 346,532.80/x
  3. Step 3: Cross multiply
    977,668.60x = 1,466,648.70 × 346,532.80
  4. Step 4: Simplify right side
    977,668.60x = 508,241,880,627.36
  5. Step 5: Solve for x
    x = 508,241,880,627.36/977,668.60
  6. Step 6: Final answer
    x = 519,850.88

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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.