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Finding the Fourth Proportional to 543,461.34, 750,083.04 and 347,101.68

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Solution

The fourth proportional to 543,461.34, 750,083.04 and 347,101.68 is: 479,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,461.34 : 750,083.04 = 347,101.68 : x
  2. Step 2: Convert to fraction form
    543,461.34/750,083.04 = 347,101.68/x
  3. Step 3: Cross multiply
    543,461.34x = 750,083.04 × 347,101.68
  4. Step 4: Simplify right side
    543,461.34x = 260,355,083,323.51
  5. Step 5: Solve for x
    x = 260,355,083,323.51/543,461.34
  6. Step 6: Final answer
    x = 479,068.27

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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.