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Finding the Fourth Proportional to 576,509.27, 865,295.46 and 292,399.20

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Solution

The fourth proportional to 576,509.27, 865,295.46 and 292,399.20 is: 438,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,509.27 : 865,295.46 = 292,399.20 : x
  2. Step 2: Convert to fraction form
    576,509.27/865,295.46 = 292,399.20/x
  3. Step 3: Cross multiply
    576,509.27x = 865,295.46 × 292,399.20
  4. Step 4: Simplify right side
    576,509.27x = 253,011,700,267.63
  5. Step 5: Solve for x
    x = 253,011,700,267.63/576,509.27
  6. Step 6: Final answer
    x = 438,868.40

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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.