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Finding the Fourth Proportional to 475,146.80, 655,702.44 and 260,300.24

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Solution

The fourth proportional to 475,146.80, 655,702.44 and 260,300.24 is: 359,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,146.80 : 655,702.44 = 260,300.24 : x
  2. Step 2: Convert to fraction form
    475,146.80/655,702.44 = 260,300.24/x
  3. Step 3: Cross multiply
    475,146.80x = 655,702.44 × 260,300.24
  4. Step 4: Simplify right side
    475,146.80x = 170,679,502,500.59
  5. Step 5: Solve for x
    x = 170,679,502,500.59/475,146.80
  6. Step 6: Final answer
    x = 359,214.25

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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.