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Finding the Fourth Proportional to 924,957.78, 1,387,429.47 and 475,804.50

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Solution

The fourth proportional to 924,957.78, 1,387,429.47 and 475,804.50 is: 713,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,957.78 : 1,387,429.47 = 475,804.50 : x
  2. Step 2: Convert to fraction form
    924,957.78/1,387,429.47 = 475,804.50/x
  3. Step 3: Cross multiply
    924,957.78x = 1,387,429.47 × 475,804.50
  4. Step 4: Simplify right side
    924,957.78x = 660,145,185,258.62
  5. Step 5: Solve for x
    x = 660,145,185,258.62/924,957.78
  6. Step 6: Final answer
    x = 713,703.05

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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.