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Finding the Fourth Proportional to 329,056.80, 459,746.40 and 329,056.80

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Solution

The fourth proportional to 329,056.80, 459,746.40 and 329,056.80 is: 459,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,056.80 : 459,746.40 = 329,056.80 : x
  2. Step 2: Convert to fraction form
    329,056.80/459,746.40 = 329,056.80/x
  3. Step 3: Cross multiply
    329,056.80x = 459,746.40 × 329,056.80
  4. Step 4: Simplify right side
    329,056.80x = 151,282,679,195.52
  5. Step 5: Solve for x
    x = 151,282,679,195.52/329,056.80
  6. Step 6: Final answer
    x = 459,746.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.