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Finding the Fourth Proportional to 924,008.80, 1,386,104 and 384,153.60

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Solution

The fourth proportional to 924,008.80, 1,386,104 and 384,153.60 is: 576,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,008.80 : 1,386,104 = 384,153.60 : x
  2. Step 2: Convert to fraction form
    924,008.80/1,386,104 = 384,153.60/x
  3. Step 3: Cross multiply
    924,008.80x = 1,386,104 × 384,153.60
  4. Step 4: Simplify right side
    924,008.80x = 532,476,841,574.40
  5. Step 5: Solve for x
    x = 532,476,841,574.40/924,008.80
  6. Step 6: Final answer
    x = 576,268.15

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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.