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Finding the Fourth Proportional to 624,969.46, 937,498.34 and 309,341.62

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Solution

The fourth proportional to 624,969.46, 937,498.34 and 309,341.62 is: 464,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,969.46 : 937,498.34 = 309,341.62 : x
  2. Step 2: Convert to fraction form
    624,969.46/937,498.34 = 309,341.62/x
  3. Step 3: Cross multiply
    624,969.46x = 937,498.34 × 309,341.62
  4. Step 4: Simplify right side
    624,969.46x = 290,007,255,242.91
  5. Step 5: Solve for x
    x = 290,007,255,242.91/624,969.46
  6. Step 6: Final answer
    x = 464,034.28

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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.