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Finding the Fourth Proportional to 562,113.11, 775,498.20 and 358,127.51

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Solution

The fourth proportional to 562,113.11, 775,498.20 and 358,127.51 is: 494,077.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,113.11 : 775,498.20 = 358,127.51 : x
  2. Step 2: Convert to fraction form
    562,113.11/775,498.20 = 358,127.51/x
  3. Step 3: Cross multiply
    562,113.11x = 775,498.20 × 358,127.51
  4. Step 4: Simplify right side
    562,113.11x = 277,727,235,497.99
  5. Step 5: Solve for x
    x = 277,727,235,497.99/562,113.11
  6. Step 6: Final answer
    x = 494,077.14

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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.