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Finding the Fourth Proportional to 907,152.64, 1,361,036.48 and 401,644

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Solution

The fourth proportional to 907,152.64, 1,361,036.48 and 401,644 is: 602,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,152.64 : 1,361,036.48 = 401,644 : x
  2. Step 2: Convert to fraction form
    907,152.64/1,361,036.48 = 401,644/x
  3. Step 3: Cross multiply
    907,152.64x = 1,361,036.48 × 401,644
  4. Step 4: Simplify right side
    907,152.64x = 546,652,135,973.12
  5. Step 5: Solve for x
    x = 546,652,135,973.12/907,152.64
  6. Step 6: Final answer
    x = 602,602.16

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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.