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Finding the Fourth Proportional to 576,556.80, 862,502.40 and 506,572.80

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Solution

The fourth proportional to 576,556.80, 862,502.40 and 506,572.80 is: 757,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,556.80 : 862,502.40 = 506,572.80 : x
  2. Step 2: Convert to fraction form
    576,556.80/862,502.40 = 506,572.80/x
  3. Step 3: Cross multiply
    576,556.80x = 862,502.40 × 506,572.80
  4. Step 4: Simplify right side
    576,556.80x = 436,920,255,774.72
  5. Step 5: Solve for x
    x = 436,920,255,774.72/576,556.80
  6. Step 6: Final answer
    x = 757,809.56

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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.