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Finding the Fourth Proportional to 924,598.32, 1,386,945 and 259,802.16

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Solution

The fourth proportional to 924,598.32, 1,386,945 and 259,802.16 is: 389,716.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,598.32 : 1,386,945 = 259,802.16 : x
  2. Step 2: Convert to fraction form
    924,598.32/1,386,945 = 259,802.16/x
  3. Step 3: Cross multiply
    924,598.32x = 1,386,945 × 259,802.16
  4. Step 4: Simplify right side
    924,598.32x = 360,331,306,801.20
  5. Step 5: Solve for x
    x = 360,331,306,801.20/924,598.32
  6. Step 6: Final answer
    x = 389,716.59

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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.