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Finding the Fourth Proportional to 563,800.74, 777,292.35 and 447,898.77

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Solution

The fourth proportional to 563,800.74, 777,292.35 and 447,898.77 is: 617,502.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,800.74 : 777,292.35 = 447,898.77 : x
  2. Step 2: Convert to fraction form
    563,800.74/777,292.35 = 447,898.77/x
  3. Step 3: Cross multiply
    563,800.74x = 777,292.35 × 447,898.77
  4. Step 4: Simplify right side
    563,800.74x = 348,148,284,432.43
  5. Step 5: Solve for x
    x = 348,148,284,432.43/563,800.74
  6. Step 6: Final answer
    x = 617,502.36

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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.