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Finding the Fourth Proportional to 459,103.60, 688,655.40 and 333,132.40

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Solution

The fourth proportional to 459,103.60, 688,655.40 and 333,132.40 is: 499,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,103.60 : 688,655.40 = 333,132.40 : x
  2. Step 2: Convert to fraction form
    459,103.60/688,655.40 = 333,132.40/x
  3. Step 3: Cross multiply
    459,103.60x = 688,655.40 × 333,132.40
  4. Step 4: Simplify right side
    459,103.60x = 229,413,426,174.96
  5. Step 5: Solve for x
    x = 229,413,426,174.96/459,103.60
  6. Step 6: Final answer
    x = 499,698.60

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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.