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Finding the Fourth Proportional to 349,477.14, 482,275.98 and 198,574.14

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Solution

The fourth proportional to 349,477.14, 482,275.98 and 198,574.14 is: 274,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,477.14 : 482,275.98 = 198,574.14 : x
  2. Step 2: Convert to fraction form
    349,477.14/482,275.98 = 198,574.14/x
  3. Step 3: Cross multiply
    349,477.14x = 482,275.98 × 198,574.14
  4. Step 4: Simplify right side
    349,477.14x = 95,767,537,971.16
  5. Step 5: Solve for x
    x = 95,767,537,971.16/349,477.14
  6. Step 6: Final answer
    x = 274,030.91

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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.