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Finding the Fourth Proportional to 536,672.72, 740,678.56 and 346,240.08

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Solution

The fourth proportional to 536,672.72, 740,678.56 and 346,240.08 is: 477,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,672.72 : 740,678.56 = 346,240.08 : x
  2. Step 2: Convert to fraction form
    536,672.72/740,678.56 = 346,240.08/x
  3. Step 3: Cross multiply
    536,672.72x = 740,678.56 × 346,240.08
  4. Step 4: Simplify right side
    536,672.72x = 256,452,603,868.69
  5. Step 5: Solve for x
    x = 256,452,603,868.69/536,672.72
  6. Step 6: Final answer
    x = 477,856.60

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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.