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Finding the Fourth Proportional to 927,322.56, 1,388,702.88 and 452,476.80

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Solution

The fourth proportional to 927,322.56, 1,388,702.88 and 452,476.80 is: 677,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,322.56 : 1,388,702.88 = 452,476.80 : x
  2. Step 2: Convert to fraction form
    927,322.56/1,388,702.88 = 452,476.80/x
  3. Step 3: Cross multiply
    927,322.56x = 1,388,702.88 × 452,476.80
  4. Step 4: Simplify right side
    927,322.56x = 628,355,835,293.18
  5. Step 5: Solve for x
    x = 628,355,835,293.18/927,322.56
  6. Step 6: Final answer
    x = 677,602.23

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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.