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Finding the Fourth Proportional to 304,640.02, 420,270.87 and 183,714.11

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Solution

The fourth proportional to 304,640.02, 420,270.87 and 183,714.11 is: 253,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,640.02 : 420,270.87 = 183,714.11 : x
  2. Step 2: Convert to fraction form
    304,640.02/420,270.87 = 183,714.11/x
  3. Step 3: Cross multiply
    304,640.02x = 420,270.87 × 183,714.11
  4. Step 4: Simplify right side
    304,640.02x = 77,209,688,216.56
  5. Step 5: Solve for x
    x = 77,209,688,216.56/304,640.02
  6. Step 6: Final answer
    x = 253,445.65

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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.