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Finding the Fourth Proportional to 555,176.34, 766,113.57 and 325,702.26

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Solution

The fourth proportional to 555,176.34, 766,113.57 and 325,702.26 is: 449,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,176.34 : 766,113.57 = 325,702.26 : x
  2. Step 2: Convert to fraction form
    555,176.34/766,113.57 = 325,702.26/x
  3. Step 3: Cross multiply
    555,176.34x = 766,113.57 × 325,702.26
  4. Step 4: Simplify right side
    555,176.34x = 249,524,921,165.67
  5. Step 5: Solve for x
    x = 249,524,921,165.67/555,176.34
  6. Step 6: Final answer
    x = 449,451.65

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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.