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Finding the Fourth Proportional to 899,544, 1,241,354.08 and 497,127.36

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Solution

The fourth proportional to 899,544, 1,241,354.08 and 497,127.36 is: 686,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,544 : 1,241,354.08 = 497,127.36 : x
  2. Step 2: Convert to fraction form
    899,544/1,241,354.08 = 497,127.36/x
  3. Step 3: Cross multiply
    899,544x = 1,241,354.08 × 497,127.36
  4. Step 4: Simplify right side
    899,544x = 617,111,076,615.63
  5. Step 5: Solve for x
    x = 617,111,076,615.63/899,544
  6. Step 6: Final answer
    x = 686,026.56

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1.5x scale

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.