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Finding the Fourth Proportional to 442,018.70, 610,059.20 and 260,775.18

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Solution

The fourth proportional to 442,018.70, 610,059.20 and 260,775.18 is: 359,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,018.70 : 610,059.20 = 260,775.18 : x
  2. Step 2: Convert to fraction form
    442,018.70/610,059.20 = 260,775.18/x
  3. Step 3: Cross multiply
    442,018.70x = 610,059.20 × 260,775.18
  4. Step 4: Simplify right side
    442,018.70x = 159,088,296,386.78
  5. Step 5: Solve for x
    x = 159,088,296,386.78/442,018.70
  6. Step 6: Final answer
    x = 359,913.04

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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.