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Finding the Fourth Proportional to 546,712.60, 820,068.90 and 310,516.60

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Solution

The fourth proportional to 546,712.60, 820,068.90 and 310,516.60 is: 465,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,712.60 : 820,068.90 = 310,516.60 : x
  2. Step 2: Convert to fraction form
    546,712.60/820,068.90 = 310,516.60/x
  3. Step 3: Cross multiply
    546,712.60x = 820,068.90 × 310,516.60
  4. Step 4: Simplify right side
    546,712.60x = 254,645,006,593.74
  5. Step 5: Solve for x
    x = 254,645,006,593.74/546,712.60
  6. Step 6: Final answer
    x = 465,774.90

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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.