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Finding the Fourth Proportional to 680,935.85, 938,093.09 and 473,848.22

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Solution

The fourth proportional to 680,935.85, 938,093.09 and 473,848.22 is: 652,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,935.85 : 938,093.09 = 473,848.22 : x
  2. Step 2: Convert to fraction form
    680,935.85/938,093.09 = 473,848.22/x
  3. Step 3: Cross multiply
    680,935.85x = 938,093.09 × 473,848.22
  4. Step 4: Simplify right side
    680,935.85x = 444,513,733,831.09
  5. Step 5: Solve for x
    x = 444,513,733,831.09/680,935.85
  6. Step 6: Final answer
    x = 652,798.26

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Double scale
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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.