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Finding the Fourth Proportional to 564,707.38, 779,307.33 and 310,056.34

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Solution

The fourth proportional to 564,707.38, 779,307.33 and 310,056.34 is: 427,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,707.38 : 779,307.33 = 310,056.34 : x
  2. Step 2: Convert to fraction form
    564,707.38/779,307.33 = 310,056.34/x
  3. Step 3: Cross multiply
    564,707.38x = 779,307.33 × 310,056.34
  4. Step 4: Simplify right side
    564,707.38x = 241,629,178,474.97
  5. Step 5: Solve for x
    x = 241,629,178,474.97/564,707.38
  6. Step 6: Final answer
    x = 427,883.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.