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Finding the Fourth Proportional to 296,957.60, 445,436.40 and 279,461.60

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Solution

The fourth proportional to 296,957.60, 445,436.40 and 279,461.60 is: 419,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,957.60 : 445,436.40 = 279,461.60 : x
  2. Step 2: Convert to fraction form
    296,957.60/445,436.40 = 279,461.60/x
  3. Step 3: Cross multiply
    296,957.60x = 445,436.40 × 279,461.60
  4. Step 4: Simplify right side
    296,957.60x = 124,482,369,042.24
  5. Step 5: Solve for x
    x = 124,482,369,042.24/296,957.60
  6. Step 6: Final answer
    x = 419,192.40

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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.