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Finding the Fourth Proportional to 493,303.40, 739,955.10 and 344,004.20

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Solution

The fourth proportional to 493,303.40, 739,955.10 and 344,004.20 is: 516,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,303.40 : 739,955.10 = 344,004.20 : x
  2. Step 2: Convert to fraction form
    493,303.40/739,955.10 = 344,004.20/x
  3. Step 3: Cross multiply
    493,303.40x = 739,955.10 × 344,004.20
  4. Step 4: Simplify right side
    493,303.40x = 254,547,662,211.42
  5. Step 5: Solve for x
    x = 254,547,662,211.42/493,303.40
  6. Step 6: Final answer
    x = 516,006.30

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Similar ratio
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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.