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Finding the Fourth Proportional to 633,417.07, 874,115.67 and 346,947.41

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Solution

The fourth proportional to 633,417.07, 874,115.67 and 346,947.41 is: 478,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,417.07 : 874,115.67 = 346,947.41 : x
  2. Step 2: Convert to fraction form
    633,417.07/874,115.67 = 346,947.41/x
  3. Step 3: Cross multiply
    633,417.07x = 874,115.67 × 346,947.41
  4. Step 4: Simplify right side
    633,417.07x = 303,272,167,746.92
  5. Step 5: Solve for x
    x = 303,272,167,746.92/633,417.07
  6. Step 6: Final answer
    x = 478,787.49

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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.