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Finding the Fourth Proportional to 296,477.16, 409,138.61 and 160,511.10

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Solution

The fourth proportional to 296,477.16, 409,138.61 and 160,511.10 is: 221,505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,477.16 : 409,138.61 = 160,511.10 : x
  2. Step 2: Convert to fraction form
    296,477.16/409,138.61 = 160,511.10/x
  3. Step 3: Cross multiply
    296,477.16x = 409,138.61 × 160,511.10
  4. Step 4: Simplify right side
    296,477.16x = 65,671,287,541.02
  5. Step 5: Solve for x
    x = 65,671,287,541.02/296,477.16
  6. Step 6: Final answer
    x = 221,505.39

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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.