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Finding the Fourth Proportional to 348,534.36, 480,957.48 and 193,477.68

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Solution

The fourth proportional to 348,534.36, 480,957.48 and 193,477.68 is: 266,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,534.36 : 480,957.48 = 193,477.68 : x
  2. Step 2: Convert to fraction form
    348,534.36/480,957.48 = 193,477.68/x
  3. Step 3: Cross multiply
    348,534.36x = 480,957.48 × 193,477.68
  4. Step 4: Simplify right side
    348,534.36x = 93,054,537,409.05
  5. Step 5: Solve for x
    x = 93,054,537,409.05/348,534.36
  6. Step 6: Final answer
    x = 266,988.13

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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.