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Finding the Fourth Proportional to 576,043.20, 864,064.80 and 352,094.40

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Solution

The fourth proportional to 576,043.20, 864,064.80 and 352,094.40 is: 528,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,043.20 : 864,064.80 = 352,094.40 : x
  2. Step 2: Convert to fraction form
    576,043.20/864,064.80 = 352,094.40/x
  3. Step 3: Cross multiply
    576,043.20x = 864,064.80 × 352,094.40
  4. Step 4: Simplify right side
    576,043.20x = 304,232,377,317.12
  5. Step 5: Solve for x
    x = 304,232,377,317.12/576,043.20
  6. Step 6: Final answer
    x = 528,141.60

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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.