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Finding the Fourth Proportional to 1,354,535.03, 1,869,342.32 and 750,923.03

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Solution

The fourth proportional to 1,354,535.03, 1,869,342.32 and 750,923.03 is: 1,036,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,535.03 : 1,869,342.32 = 750,923.03 : x
  2. Step 2: Convert to fraction form
    1,354,535.03/1,869,342.32 = 750,923.03/x
  3. Step 3: Cross multiply
    1,354,535.03x = 1,869,342.32 × 750,923.03
  4. Step 4: Simplify right side
    1,354,535.03x = 1,403,732,194,368.27
  5. Step 5: Solve for x
    x = 1,403,732,194,368.27/1,354,535.03
  6. Step 6: Final answer
    x = 1,036,320.34

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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.