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Finding the Fourth Proportional to 534,730.60, 802,095.90 and 455,998.60

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Solution

The fourth proportional to 534,730.60, 802,095.90 and 455,998.60 is: 683,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,730.60 : 802,095.90 = 455,998.60 : x
  2. Step 2: Convert to fraction form
    534,730.60/802,095.90 = 455,998.60/x
  3. Step 3: Cross multiply
    534,730.60x = 802,095.90 × 455,998.60
  4. Step 4: Simplify right side
    534,730.60x = 365,754,607,465.74
  5. Step 5: Solve for x
    x = 365,754,607,465.74/534,730.60
  6. Step 6: Final answer
    x = 683,997.90

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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.