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Finding the Fourth Proportional to 670,859.82, 925,852.05 and 500,798.70

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Solution

The fourth proportional to 670,859.82, 925,852.05 and 500,798.70 is: 691,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,859.82 : 925,852.05 = 500,798.70 : x
  2. Step 2: Convert to fraction form
    670,859.82/925,852.05 = 500,798.70/x
  3. Step 3: Cross multiply
    670,859.82x = 925,852.05 × 500,798.70
  4. Step 4: Simplify right side
    670,859.82x = 463,665,503,032.34
  5. Step 5: Solve for x
    x = 463,665,503,032.34/670,859.82
  6. Step 6: Final answer
    x = 691,151.10

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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.