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Finding the Fourth Proportional to 507,672.81, 700,021.91 and 346,612.41

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Solution

The fourth proportional to 507,672.81, 700,021.91 and 346,612.41 is: 477,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,672.81 : 700,021.91 = 346,612.41 : x
  2. Step 2: Convert to fraction form
    507,672.81/700,021.91 = 346,612.41/x
  3. Step 3: Cross multiply
    507,672.81x = 700,021.91 × 346,612.41
  4. Step 4: Simplify right side
    507,672.81x = 242,636,279,544.84
  5. Step 5: Solve for x
    x = 242,636,279,544.84/507,672.81
  6. Step 6: Final answer
    x = 477,938.30

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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.