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Finding the Fourth Proportional to 662,316.48, 993,574.08 and 307,366.92

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Solution

The fourth proportional to 662,316.48, 993,574.08 and 307,366.92 is: 461,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,316.48 : 993,574.08 = 307,366.92 : x
  2. Step 2: Convert to fraction form
    662,316.48/993,574.08 = 307,366.92/x
  3. Step 3: Cross multiply
    662,316.48x = 993,574.08 × 307,366.92
  4. Step 4: Simplify right side
    662,316.48x = 305,391,804,761.43
  5. Step 5: Solve for x
    x = 305,391,804,761.43/662,316.48
  6. Step 6: Final answer
    x = 461,096.49

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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.