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Finding the Fourth Proportional to 442,061.74, 662,095.65 and 309,533.64

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Solution

The fourth proportional to 442,061.74, 662,095.65 and 309,533.64 is: 463,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,061.74 : 662,095.65 = 309,533.64 : x
  2. Step 2: Convert to fraction form
    442,061.74/662,095.65 = 309,533.64/x
  3. Step 3: Cross multiply
    442,061.74x = 662,095.65 × 309,533.64
  4. Step 4: Simplify right side
    442,061.74x = 204,940,876,572.67
  5. Step 5: Solve for x
    x = 204,940,876,572.67/442,061.74
  6. Step 6: Final answer
    x = 463,602.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.