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Finding the Fourth Proportional to 702,907.10, 1,054,360.65 and 514,900.70

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Solution

The fourth proportional to 702,907.10, 1,054,360.65 and 514,900.70 is: 772,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,907.10 : 1,054,360.65 = 514,900.70 : x
  2. Step 2: Convert to fraction form
    702,907.10/1,054,360.65 = 514,900.70/x
  3. Step 3: Cross multiply
    702,907.10x = 1,054,360.65 × 514,900.70
  4. Step 4: Simplify right side
    702,907.10x = 542,891,036,737.46
  5. Step 5: Solve for x
    x = 542,891,036,737.46/702,907.10
  6. Step 6: Final answer
    x = 772,351.05

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Similar ratio
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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.