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Finding the Fourth Proportional to 507,784.80, 700,817.64 and 292,882.89

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Solution

The fourth proportional to 507,784.80, 700,817.64 and 292,882.89 is: 404,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,784.80 : 700,817.64 = 292,882.89 : x
  2. Step 2: Convert to fraction form
    507,784.80/700,817.64 = 292,882.89/x
  3. Step 3: Cross multiply
    507,784.80x = 700,817.64 × 292,882.89
  4. Step 4: Simplify right side
    507,784.80x = 205,257,495,766.18
  5. Step 5: Solve for x
    x = 205,257,495,766.18/507,784.80
  6. Step 6: Final answer
    x = 404,221.43

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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.