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Finding the Fourth Proportional to 693,536.08, 956,929.32 and 403,200.40

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Solution

The fourth proportional to 693,536.08, 956,929.32 and 403,200.40 is: 556,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,536.08 : 956,929.32 = 403,200.40 : x
  2. Step 2: Convert to fraction form
    693,536.08/956,929.32 = 403,200.40/x
  3. Step 3: Cross multiply
    693,536.08x = 956,929.32 × 403,200.40
  4. Step 4: Simplify right side
    693,536.08x = 385,834,284,595.73
  5. Step 5: Solve for x
    x = 385,834,284,595.73/693,536.08
  6. Step 6: Final answer
    x = 556,329.07

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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.