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Finding the Fourth Proportional to 651,646.60, 977,178.30 and 296,477.80

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Solution

The fourth proportional to 651,646.60, 977,178.30 and 296,477.80 is: 444,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,646.60 : 977,178.30 = 296,477.80 : x
  2. Step 2: Convert to fraction form
    651,646.60/977,178.30 = 296,477.80/x
  3. Step 3: Cross multiply
    651,646.60x = 977,178.30 × 296,477.80
  4. Step 4: Simplify right side
    651,646.60x = 289,711,672,591.74
  5. Step 5: Solve for x
    x = 289,711,672,591.74/651,646.60
  6. Step 6: Final answer
    x = 444,584.03

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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.