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Finding the Fourth Proportional to 673,600.59, 929,545.65 and 401,528.21

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Solution

The fourth proportional to 673,600.59, 929,545.65 and 401,528.21 is: 554,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,600.59 : 929,545.65 = 401,528.21 : x
  2. Step 2: Convert to fraction form
    673,600.59/929,545.65 = 401,528.21/x
  3. Step 3: Cross multiply
    673,600.59x = 929,545.65 × 401,528.21
  4. Step 4: Simplify right side
    673,600.59x = 373,238,796,310.06
  5. Step 5: Solve for x
    x = 373,238,796,310.06/673,600.59
  6. Step 6: Final answer
    x = 554,095.11

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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.