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Finding the Fourth Proportional to 907,931.60, 1,361,569.35 and 367,961.30

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Solution

The fourth proportional to 907,931.60, 1,361,569.35 and 367,961.30 is: 551,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,931.60 : 1,361,569.35 = 367,961.30 : x
  2. Step 2: Convert to fraction form
    907,931.60/1,361,569.35 = 367,961.30/x
  3. Step 3: Cross multiply
    907,931.60x = 1,361,569.35 × 367,961.30
  4. Step 4: Simplify right side
    907,931.60x = 501,004,828,066.16
  5. Step 5: Solve for x
    x = 501,004,828,066.16/907,931.60
  6. Step 6: Final answer
    x = 551,809.00

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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.