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Finding the Fourth Proportional to 524,577.58, 723,851.95 and 330,911.90

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Solution

The fourth proportional to 524,577.58, 723,851.95 and 330,911.90 is: 456,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,577.58 : 723,851.95 = 330,911.90 : x
  2. Step 2: Convert to fraction form
    524,577.58/723,851.95 = 330,911.90/x
  3. Step 3: Cross multiply
    524,577.58x = 723,851.95 × 330,911.90
  4. Step 4: Simplify right side
    524,577.58x = 239,531,224,093.21
  5. Step 5: Solve for x
    x = 239,531,224,093.21/524,577.58
  6. Step 6: Final answer
    x = 456,617.35

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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.