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Finding the Fourth Proportional to 475,201, 655,778.58 and 260,345.32

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Solution

The fourth proportional to 475,201, 655,778.58 and 260,345.32 is: 359,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,201 : 655,778.58 = 260,345.32 : x
  2. Step 2: Convert to fraction form
    475,201/655,778.58 = 260,345.32/x
  3. Step 3: Cross multiply
    475,201x = 655,778.58 × 260,345.32
  4. Step 4: Simplify right side
    475,201x = 170,728,884,259.25
  5. Step 5: Solve for x
    x = 170,728,884,259.25/475,201
  6. Step 6: Final answer
    x = 359,277.20

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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.