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Finding the Fourth Proportional to 900,368.11, 1,350,053.61 and 368,262.82

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Solution

The fourth proportional to 900,368.11, 1,350,053.61 and 368,262.82 is: 552,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,368.11 : 1,350,053.61 = 368,262.82 : x
  2. Step 2: Convert to fraction form
    900,368.11/1,350,053.61 = 368,262.82/x
  3. Step 3: Cross multiply
    900,368.11x = 1,350,053.61 × 368,262.82
  4. Step 4: Simplify right side
    900,368.11x = 497,174,549,569.78
  5. Step 5: Solve for x
    x = 497,174,549,569.78/900,368.11
  6. Step 6: Final answer
    x = 552,190.31

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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.