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Finding the Fourth Proportional to 540,111.10, 807,833.85 and 456,130.30

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Solution

The fourth proportional to 540,111.10, 807,833.85 and 456,130.30 is: 682,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,111.10 : 807,833.85 = 456,130.30 : x
  2. Step 2: Convert to fraction form
    540,111.10/807,833.85 = 456,130.30/x
  3. Step 3: Cross multiply
    540,111.10x = 807,833.85 × 456,130.30
  4. Step 4: Simplify right side
    540,111.10x = 368,477,496,350.66
  5. Step 5: Solve for x
    x = 368,477,496,350.66/540,111.10
  6. Step 6: Final answer
    x = 682,225.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.