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Finding the Fourth Proportional to 607,536.37, 837,772.16 and 521,779.31

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Solution

The fourth proportional to 607,536.37, 837,772.16 and 521,779.31 is: 719,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,536.37 : 837,772.16 = 521,779.31 : x
  2. Step 2: Convert to fraction form
    607,536.37/837,772.16 = 521,779.31/x
  3. Step 3: Cross multiply
    607,536.37x = 837,772.16 × 521,779.31
  4. Step 4: Simplify right side
    607,536.37x = 437,132,179,582.01
  5. Step 5: Solve for x
    x = 437,132,179,582.01/607,536.37
  6. Step 6: Final answer
    x = 719,516.07

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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.