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Finding the Fourth Proportional to 452,783.10, 624,810.47 and 248,829.60

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Solution

The fourth proportional to 452,783.10, 624,810.47 and 248,829.60 is: 343,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,783.10 : 624,810.47 = 248,829.60 : x
  2. Step 2: Convert to fraction form
    452,783.10/624,810.47 = 248,829.60/x
  3. Step 3: Cross multiply
    452,783.10x = 624,810.47 × 248,829.60
  4. Step 4: Simplify right side
    452,783.10x = 155,471,338,081.76
  5. Step 5: Solve for x
    x = 155,471,338,081.76/452,783.10
  6. Step 6: Final answer
    x = 343,368.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.