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Finding the Fourth Proportional to 571,611.66, 788,461.79 and 367,311.03

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Solution

The fourth proportional to 571,611.66, 788,461.79 and 367,311.03 is: 506,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,611.66 : 788,461.79 = 367,311.03 : x
  2. Step 2: Convert to fraction form
    571,611.66/788,461.79 = 367,311.03/x
  3. Step 3: Cross multiply
    571,611.66x = 788,461.79 × 367,311.03
  4. Step 4: Simplify right side
    571,611.66x = 289,610,710,363.99
  5. Step 5: Solve for x
    x = 289,610,710,363.99/571,611.66
  6. Step 6: Final answer
    x = 506,656.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.