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Finding the Fourth Proportional to 404,880.48, 558,210.96 and 277,328.16

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Solution

The fourth proportional to 404,880.48, 558,210.96 and 277,328.16 is: 382,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,880.48 : 558,210.96 = 277,328.16 : x
  2. Step 2: Convert to fraction form
    404,880.48/558,210.96 = 277,328.16/x
  3. Step 3: Cross multiply
    404,880.48x = 558,210.96 × 277,328.16
  4. Step 4: Simplify right side
    404,880.48x = 154,807,618,428.63
  5. Step 5: Solve for x
    x = 154,807,618,428.63/404,880.48
  6. Step 6: Final answer
    x = 382,353.87

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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.