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Finding the Fourth Proportional to 637,971.37, 880,420.43 and 366,089.00

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Solution

The fourth proportional to 637,971.37, 880,420.43 and 366,089.00 is: 505,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,971.37 : 880,420.43 = 366,089.00 : x
  2. Step 2: Convert to fraction form
    637,971.37/880,420.43 = 366,089.00/x
  3. Step 3: Cross multiply
    637,971.37x = 880,420.43 × 366,089.00
  4. Step 4: Simplify right side
    637,971.37x = 322,312,232,597.22
  5. Step 5: Solve for x
    x = 322,312,232,597.22/637,971.37
  6. Step 6: Final answer
    x = 505,214.26

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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.