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Finding the Fourth Proportional to 637,085.03, 955,626.54 and 436,798.22

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Solution

The fourth proportional to 637,085.03, 955,626.54 and 436,798.22 is: 655,196.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,085.03 : 955,626.54 = 436,798.22 : x
  2. Step 2: Convert to fraction form
    637,085.03/955,626.54 = 436,798.22/x
  3. Step 3: Cross multiply
    637,085.03x = 955,626.54 × 436,798.22
  4. Step 4: Simplify right side
    637,085.03x = 417,415,966,878.63
  5. Step 5: Solve for x
    x = 417,415,966,878.63/637,085.03
  6. Step 6: Final answer
    x = 655,196.64

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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.