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Finding the Fourth Proportional to 671,607.06, 926,834.35 and 365,700.20

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Solution

The fourth proportional to 671,607.06, 926,834.35 and 365,700.20 is: 504,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,607.06 : 926,834.35 = 365,700.20 : x
  2. Step 2: Convert to fraction form
    671,607.06/926,834.35 = 365,700.20/x
  3. Step 3: Cross multiply
    671,607.06x = 926,834.35 × 365,700.20
  4. Step 4: Simplify right side
    671,607.06x = 338,943,507,161.87
  5. Step 5: Solve for x
    x = 338,943,507,161.87/671,607.06
  6. Step 6: Final answer
    x = 504,675.32

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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.