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Finding the Fourth Proportional to 563,335.89, 777,366.75 and 359,364.92

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Solution

The fourth proportional to 563,335.89, 777,366.75 and 359,364.92 is: 495,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,335.89 : 777,366.75 = 359,364.92 : x
  2. Step 2: Convert to fraction form
    563,335.89/777,366.75 = 359,364.92/x
  3. Step 3: Cross multiply
    563,335.89x = 777,366.75 × 359,364.92
  4. Step 4: Simplify right side
    563,335.89x = 279,358,339,422.18
  5. Step 5: Solve for x
    x = 279,358,339,422.18/563,335.89
  6. Step 6: Final answer
    x = 495,900.12

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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.