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Finding the Fourth Proportional to 900,368.74, 1,350,054.54 and 368,263.44

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Solution

The fourth proportional to 900,368.74, 1,350,054.54 and 368,263.44 is: 552,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,368.74 : 1,350,054.54 = 368,263.44 : x
  2. Step 2: Convert to fraction form
    900,368.74/1,350,054.54 = 368,263.44/x
  3. Step 3: Cross multiply
    900,368.74x = 1,350,054.54 × 368,263.44
  4. Step 4: Simplify right side
    900,368.74x = 497,175,729,088.02
  5. Step 5: Solve for x
    x = 497,175,729,088.02/900,368.74
  6. Step 6: Final answer
    x = 552,191.24

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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.