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Finding the Fourth Proportional to 326,056.40, 457,308.40 and 326,056.40

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Solution

The fourth proportional to 326,056.40, 457,308.40 and 326,056.40 is: 457,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,056.40 : 457,308.40 = 326,056.40 : x
  2. Step 2: Convert to fraction form
    326,056.40/457,308.40 = 326,056.40/x
  3. Step 3: Cross multiply
    326,056.40x = 457,308.40 × 326,056.40
  4. Step 4: Simplify right side
    326,056.40x = 149,108,330,593.76
  5. Step 5: Solve for x
    x = 149,108,330,593.76/326,056.40
  6. Step 6: Final answer
    x = 457,308.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.