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Finding the Fourth Proportional to 637,085.77, 955,627.67 and 436,798.96

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Solution

The fourth proportional to 637,085.77, 955,627.67 and 436,798.96 is: 655,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,085.77 : 955,627.67 = 436,798.96 : x
  2. Step 2: Convert to fraction form
    637,085.77/955,627.67 = 436,798.96/x
  3. Step 3: Cross multiply
    637,085.77x = 955,627.67 × 436,798.96
  4. Step 4: Simplify right side
    637,085.77x = 417,417,171,106.15
  5. Step 5: Solve for x
    x = 417,417,171,106.15/637,085.77
  6. Step 6: Final answer
    x = 655,197.77

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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.