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Finding the Fourth Proportional to 501,886.83, 752,830.71 and 412,953.39

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Solution

The fourth proportional to 501,886.83, 752,830.71 and 412,953.39 is: 619,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,886.83 : 752,830.71 = 412,953.39 : x
  2. Step 2: Convert to fraction form
    501,886.83/752,830.71 = 412,953.39/x
  3. Step 3: Cross multiply
    501,886.83x = 752,830.71 × 412,953.39
  4. Step 4: Simplify right side
    501,886.83x = 310,883,987,961.69
  5. Step 5: Solve for x
    x = 310,883,987,961.69/501,886.83
  6. Step 6: Final answer
    x = 619,430.46

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1.5x scale

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.