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Finding the Fourth Proportional to 611,748.65, 916,225.23 and 292,124.39

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Solution

The fourth proportional to 611,748.65, 916,225.23 and 292,124.39 is: 437,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,748.65 : 916,225.23 = 292,124.39 : x
  2. Step 2: Convert to fraction form
    611,748.65/916,225.23 = 292,124.39/x
  3. Step 3: Cross multiply
    611,748.65x = 916,225.23 × 292,124.39
  4. Step 4: Simplify right side
    611,748.65x = 267,651,738,706.92
  5. Step 5: Solve for x
    x = 267,651,738,706.92/611,748.65
  6. Step 6: Final answer
    x = 437,519.14

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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.