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Finding the Fourth Proportional to 688,567.49, 950,246.18 and 382,656.76

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Solution

The fourth proportional to 688,567.49, 950,246.18 and 382,656.76 is: 528,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,567.49 : 950,246.18 = 382,656.76 : x
  2. Step 2: Convert to fraction form
    688,567.49/950,246.18 = 382,656.76/x
  3. Step 3: Cross multiply
    688,567.49x = 950,246.18 × 382,656.76
  4. Step 4: Simplify right side
    688,567.49x = 363,618,128,093.27
  5. Step 5: Solve for x
    x = 363,618,128,093.27/688,567.49
  6. Step 6: Final answer
    x = 528,079.14

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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.