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Finding the Fourth Proportional to 637,767.54, 880,055.35 and 392,713.04

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Solution

The fourth proportional to 637,767.54, 880,055.35 and 392,713.04 is: 541,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,767.54 : 880,055.35 = 392,713.04 : x
  2. Step 2: Convert to fraction form
    637,767.54/880,055.35 = 392,713.04/x
  3. Step 3: Cross multiply
    637,767.54x = 880,055.35 × 392,713.04
  4. Step 4: Simplify right side
    637,767.54x = 345,609,213,085.12
  5. Step 5: Solve for x
    x = 345,609,213,085.12/637,767.54
  6. Step 6: Final answer
    x = 541,904.68

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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.