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Finding the Fourth Proportional to 502,511.90, 705,382.90 and 502,511.90

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Solution

The fourth proportional to 502,511.90, 705,382.90 and 502,511.90 is: 705,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,511.90 : 705,382.90 = 502,511.90 : x
  2. Step 2: Convert to fraction form
    502,511.90/705,382.90 = 502,511.90/x
  3. Step 3: Cross multiply
    502,511.90x = 705,382.90 × 502,511.90
  4. Step 4: Simplify right side
    502,511.90x = 354,463,301,306.51
  5. Step 5: Solve for x
    x = 354,463,301,306.51/502,511.90
  6. Step 6: Final answer
    x = 705,382.90

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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.