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Finding the Fourth Proportional to 341,810.91, 471,392.55 and 284,639.49

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Solution

The fourth proportional to 341,810.91, 471,392.55 and 284,639.49 is: 392,547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,810.91 : 471,392.55 = 284,639.49 : x
  2. Step 2: Convert to fraction form
    341,810.91/471,392.55 = 284,639.49/x
  3. Step 3: Cross multiply
    341,810.91x = 471,392.55 × 284,639.49
  4. Step 4: Simplify right side
    341,810.91x = 134,176,935,021.80
  5. Step 5: Solve for x
    x = 134,176,935,021.80/341,810.91
  6. Step 6: Final answer
    x = 392,547.26

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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.