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Finding the Fourth Proportional to 636,136.10, 954,204.15 and 549,530.90

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Solution

The fourth proportional to 636,136.10, 954,204.15 and 549,530.90 is: 824,296.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,136.10 : 954,204.15 = 549,530.90 : x
  2. Step 2: Convert to fraction form
    636,136.10/954,204.15 = 549,530.90/x
  3. Step 3: Cross multiply
    636,136.10x = 954,204.15 × 549,530.90
  4. Step 4: Simplify right side
    636,136.10x = 524,364,665,333.24
  5. Step 5: Solve for x
    x = 524,364,665,333.24/636,136.10
  6. Step 6: Final answer
    x = 824,296.35

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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.