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Finding the Fourth Proportional to 562,116.11, 775,502.34 and 358,130.50

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Solution

The fourth proportional to 562,116.11, 775,502.34 and 358,130.50 is: 494,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,116.11 : 775,502.34 = 358,130.50 : x
  2. Step 2: Convert to fraction form
    562,116.11/775,502.34 = 358,130.50/x
  3. Step 3: Cross multiply
    562,116.11x = 775,502.34 × 358,130.50
  4. Step 4: Simplify right side
    562,116.11x = 277,731,037,493.63
  5. Step 5: Solve for x
    x = 277,731,037,493.63/562,116.11
  6. Step 6: Final answer
    x = 494,081.27

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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.