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Finding the Fourth Proportional to 459,701.40, 689,552.10 and 354,725.40

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Solution

The fourth proportional to 459,701.40, 689,552.10 and 354,725.40 is: 532,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,701.40 : 689,552.10 = 354,725.40 : x
  2. Step 2: Convert to fraction form
    459,701.40/689,552.10 = 354,725.40/x
  3. Step 3: Cross multiply
    459,701.40x = 689,552.10 × 354,725.40
  4. Step 4: Simplify right side
    459,701.40x = 244,601,644,493.34
  5. Step 5: Solve for x
    x = 244,601,644,493.34/459,701.40
  6. Step 6: Final answer
    x = 532,088.10

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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.