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Finding the Fourth Proportional to 622,603.80, 933,905.70 and 307,019.70

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Solution

The fourth proportional to 622,603.80, 933,905.70 and 307,019.70 is: 460,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,603.80 : 933,905.70 = 307,019.70 : x
  2. Step 2: Convert to fraction form
    622,603.80/933,905.70 = 307,019.70/x
  3. Step 3: Cross multiply
    622,603.80x = 933,905.70 × 307,019.70
  4. Step 4: Simplify right side
    622,603.80x = 286,727,447,842.29
  5. Step 5: Solve for x
    x = 286,727,447,842.29/622,603.80
  6. Step 6: Final answer
    x = 460,529.55

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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.