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Finding the Fourth Proportional to 927,725.40, 1,300,681.80 and 927,725.40

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Solution

The fourth proportional to 927,725.40, 1,300,681.80 and 927,725.40 is: 1,300,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,725.40 : 1,300,681.80 = 927,725.40 : x
  2. Step 2: Convert to fraction form
    927,725.40/1,300,681.80 = 927,725.40/x
  3. Step 3: Cross multiply
    927,725.40x = 1,300,681.80 × 927,725.40
  4. Step 4: Simplify right side
    927,725.40x = 1,206,675,543,177.72
  5. Step 5: Solve for x
    x = 1,206,675,543,177.72/927,725.40
  6. Step 6: Final answer
    x = 1,300,681.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.