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Finding the Fourth Proportional to 977,658.60, 1,466,633.70 and 346,522.80

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Solution

The fourth proportional to 977,658.60, 1,466,633.70 and 346,522.80 is: 519,835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,658.60 : 1,466,633.70 = 346,522.80 : x
  2. Step 2: Convert to fraction form
    977,658.60/1,466,633.70 = 346,522.80/x
  3. Step 3: Cross multiply
    977,658.60x = 1,466,633.70 × 346,522.80
  4. Step 4: Simplify right side
    977,658.60x = 508,222,016,298.36
  5. Step 5: Solve for x
    x = 508,222,016,298.36/977,658.60
  6. Step 6: Final answer
    x = 519,835.88

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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.