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Finding the Fourth Proportional to 837,574.34, 1,256,501.63 and 657,652.50

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Solution

The fourth proportional to 837,574.34, 1,256,501.63 and 657,652.50 is: 986,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,574.34 : 1,256,501.63 = 657,652.50 : x
  2. Step 2: Convert to fraction form
    837,574.34/1,256,501.63 = 657,652.50/x
  3. Step 3: Cross multiply
    837,574.34x = 1,256,501.63 × 657,652.50
  4. Step 4: Simplify right side
    837,574.34x = 826,341,434,935.31
  5. Step 5: Solve for x
    x = 826,341,434,935.31/837,574.34
  6. Step 6: Final answer
    x = 986,588.77

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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.