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Finding the Fourth Proportional to 633,444.30, 874,156.05 and 346,963.50

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Solution

The fourth proportional to 633,444.30, 874,156.05 and 346,963.50 is: 478,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,444.30 : 874,156.05 = 346,963.50 : x
  2. Step 2: Convert to fraction form
    633,444.30/874,156.05 = 346,963.50/x
  3. Step 3: Cross multiply
    633,444.30x = 874,156.05 × 346,963.50
  4. Step 4: Simplify right side
    633,444.30x = 303,300,242,654.18
  5. Step 5: Solve for x
    x = 303,300,242,654.18/633,444.30
  6. Step 6: Final answer
    x = 478,811.23

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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.