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Finding the Fourth Proportional to 633,870.18, 874,352.25 and 517,752.36

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Solution

The fourth proportional to 633,870.18, 874,352.25 and 517,752.36 is: 714,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,870.18 : 874,352.25 = 517,752.36 : x
  2. Step 2: Convert to fraction form
    633,870.18/874,352.25 = 517,752.36/x
  3. Step 3: Cross multiply
    633,870.18x = 874,352.25 × 517,752.36
  4. Step 4: Simplify right side
    633,870.18x = 452,697,940,908.81
  5. Step 5: Solve for x
    x = 452,697,940,908.81/633,870.18
  6. Step 6: Final answer
    x = 714,180.85

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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.