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Finding the Fourth Proportional to 575,464.20, 863,196.30 and 456,491.40

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Solution

The fourth proportional to 575,464.20, 863,196.30 and 456,491.40 is: 684,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,464.20 : 863,196.30 = 456,491.40 : x
  2. Step 2: Convert to fraction form
    575,464.20/863,196.30 = 456,491.40/x
  3. Step 3: Cross multiply
    575,464.20x = 863,196.30 × 456,491.40
  4. Step 4: Simplify right side
    575,464.20x = 394,041,687,461.82
  5. Step 5: Solve for x
    x = 394,041,687,461.82/575,464.20
  6. Step 6: Final answer
    x = 684,737.10

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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.