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Finding the Fourth Proportional to 583,896.96, 805,929.60 and 380,505.60

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Solution

The fourth proportional to 583,896.96, 805,929.60 and 380,505.60 is: 525,196.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,896.96 : 805,929.60 = 380,505.60 : x
  2. Step 2: Convert to fraction form
    583,896.96/805,929.60 = 380,505.60/x
  3. Step 3: Cross multiply
    583,896.96x = 805,929.60 × 380,505.60
  4. Step 4: Simplify right side
    583,896.96x = 306,660,726,005.76
  5. Step 5: Solve for x
    x = 306,660,726,005.76/583,896.96
  6. Step 6: Final answer
    x = 525,196.65

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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.