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Finding the Fourth Proportional to 1,750,394, 2,415,543.72 and 945,578

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Solution

The fourth proportional to 1,750,394, 2,415,543.72 and 945,578 is: 1,304,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,394 : 2,415,543.72 = 945,578 : x
  2. Step 2: Convert to fraction form
    1,750,394/2,415,543.72 = 945,578/x
  3. Step 3: Cross multiply
    1,750,394x = 2,415,543.72 × 945,578
  4. Step 4: Simplify right side
    1,750,394x = 2,284,084,999,670.16
  5. Step 5: Solve for x
    x = 2,284,084,999,670.16/1,750,394
  6. Step 6: Final answer
    x = 1,304,897.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.