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Finding the Fourth Proportional to 572,313.40, 857,325.57 and 344,483.89

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Solution

The fourth proportional to 572,313.40, 857,325.57 and 344,483.89 is: 516,036.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,313.40 : 857,325.57 = 344,483.89 : x
  2. Step 2: Convert to fraction form
    572,313.40/857,325.57 = 344,483.89/x
  3. Step 3: Cross multiply
    572,313.40x = 857,325.57 × 344,483.89
  4. Step 4: Simplify right side
    572,313.40x = 295,334,843,914.94
  5. Step 5: Solve for x
    x = 295,334,843,914.94/572,313.40
  6. Step 6: Final answer
    x = 516,036.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.