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Finding the Fourth Proportional to 582,730.02, 874,095.03 and 209,015.46

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Solution

The fourth proportional to 582,730.02, 874,095.03 and 209,015.46 is: 313,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,730.02 : 874,095.03 = 209,015.46 : x
  2. Step 2: Convert to fraction form
    582,730.02/874,095.03 = 209,015.46/x
  3. Step 3: Cross multiply
    582,730.02x = 874,095.03 × 209,015.46
  4. Step 4: Simplify right side
    582,730.02x = 182,699,374,779.16
  5. Step 5: Solve for x
    x = 182,699,374,779.16/582,730.02
  6. Step 6: Final answer
    x = 313,523.19

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Double scale
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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.