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Finding the Fourth Proportional to 673,646.68, 929,224.38 and 401,533.24

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Solution

The fourth proportional to 673,646.68, 929,224.38 and 401,533.24 is: 553,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,646.68 : 929,224.38 = 401,533.24 : x
  2. Step 2: Convert to fraction form
    673,646.68/929,224.38 = 401,533.24/x
  3. Step 3: Cross multiply
    673,646.68x = 929,224.38 × 401,533.24
  4. Step 4: Simplify right side
    673,646.68x = 373,114,475,988.39
  5. Step 5: Solve for x
    x = 373,114,475,988.39/673,646.68
  6. Step 6: Final answer
    x = 553,872.66

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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.