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Finding the Fourth Proportional to 526,368.59, 789,545.55 and 127,006.01

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Solution

The fourth proportional to 526,368.59, 789,545.55 and 127,006.01 is: 190,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,368.59 : 789,545.55 = 127,006.01 : x
  2. Step 2: Convert to fraction form
    526,368.59/789,545.55 = 127,006.01/x
  3. Step 3: Cross multiply
    526,368.59x = 789,545.55 × 127,006.01
  4. Step 4: Simplify right side
    526,368.59x = 100,277,030,018.76
  5. Step 5: Solve for x
    x = 100,277,030,018.76/526,368.59
  6. Step 6: Final answer
    x = 190,507.25

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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.