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Finding the Fourth Proportional to 651,357.40, 977,813.70 and 367,274.20

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Solution

The fourth proportional to 651,357.40, 977,813.70 and 367,274.20 is: 551,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,357.40 : 977,813.70 = 367,274.20 : x
  2. Step 2: Convert to fraction form
    651,357.40/977,813.70 = 367,274.20/x
  3. Step 3: Cross multiply
    651,357.40x = 977,813.70 × 367,274.20
  4. Step 4: Simplify right side
    651,357.40x = 359,125,744,416.54
  5. Step 5: Solve for x
    x = 359,125,744,416.54/651,357.40
  6. Step 6: Final answer
    x = 551,349.76

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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.