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Finding the Fourth Proportional to 493,359.10, 740,038.65 and 493,359.10

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Solution

The fourth proportional to 493,359.10, 740,038.65 and 493,359.10 is: 740,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,359.10 : 740,038.65 = 493,359.10 : x
  2. Step 2: Convert to fraction form
    493,359.10/740,038.65 = 493,359.10/x
  3. Step 3: Cross multiply
    493,359.10x = 740,038.65 × 493,359.10
  4. Step 4: Simplify right side
    493,359.10x = 365,104,802,329.22
  5. Step 5: Solve for x
    x = 365,104,802,329.22/493,359.10
  6. Step 6: Final answer
    x = 740,038.65

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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.