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Finding the Fourth Proportional to 475,025.60, 655,510.77 and 260,124.20

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Solution

The fourth proportional to 475,025.60, 655,510.77 and 260,124.20 is: 358,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,025.60 : 655,510.77 = 260,124.20 : x
  2. Step 2: Convert to fraction form
    475,025.60/655,510.77 = 260,124.20/x
  3. Step 3: Cross multiply
    475,025.60x = 655,510.77 × 260,124.20
  4. Step 4: Simplify right side
    475,025.60x = 170,514,211,360.08
  5. Step 5: Solve for x
    x = 170,514,211,360.08/475,025.60
  6. Step 6: Final answer
    x = 358,957.94

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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.