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Finding the Fourth Proportional to 750,907.10, 1,126,413.17 and 371,726.01

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Solution

The fourth proportional to 750,907.10, 1,126,413.17 and 371,726.01 is: 557,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,907.10 : 1,126,413.17 = 371,726.01 : x
  2. Step 2: Convert to fraction form
    750,907.10/1,126,413.17 = 371,726.01/x
  3. Step 3: Cross multiply
    750,907.10x = 1,126,413.17 × 371,726.01
  4. Step 4: Simplify right side
    750,907.10x = 418,717,071,436.92
  5. Step 5: Solve for x
    x = 418,717,071,436.92/750,907.10
  6. Step 6: Final answer
    x = 557,615.02

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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.