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Finding the Fourth Proportional to 546,830.08, 821,410.88 and 514,870.40

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Solution

The fourth proportional to 546,830.08, 821,410.88 and 514,870.40 is: 773,403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,830.08 : 821,410.88 = 514,870.40 : x
  2. Step 2: Convert to fraction form
    546,830.08/821,410.88 = 514,870.40/x
  3. Step 3: Cross multiply
    546,830.08x = 821,410.88 × 514,870.40
  4. Step 4: Simplify right side
    546,830.08x = 422,920,148,349.95
  5. Step 5: Solve for x
    x = 422,920,148,349.95/546,830.08
  6. Step 6: Final answer
    x = 773,403.23

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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.