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Finding the Fourth Proportional to 607,686.77, 837,896.43 and 414,209.03

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Solution

The fourth proportional to 607,686.77, 837,896.43 and 414,209.03 is: 571,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,686.77 : 837,896.43 = 414,209.03 : x
  2. Step 2: Convert to fraction form
    607,686.77/837,896.43 = 414,209.03/x
  3. Step 3: Cross multiply
    607,686.77x = 837,896.43 × 414,209.03
  4. Step 4: Simplify right side
    607,686.77x = 347,064,264,914.55
  5. Step 5: Solve for x
    x = 347,064,264,914.55/607,686.77
  6. Step 6: Final answer
    x = 571,123.62

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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.