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Finding the Fourth Proportional to 633,218.32, 873,840.96 and 346,738.24

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Solution

The fourth proportional to 633,218.32, 873,840.96 and 346,738.24 is: 478,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,218.32 : 873,840.96 = 346,738.24 : x
  2. Step 2: Convert to fraction form
    633,218.32/873,840.96 = 346,738.24/x
  3. Step 3: Cross multiply
    633,218.32x = 873,840.96 × 346,738.24
  4. Step 4: Simplify right side
    633,218.32x = 302,994,076,510.31
  5. Step 5: Solve for x
    x = 302,994,076,510.31/633,218.32
  6. Step 6: Final answer
    x = 478,498.60

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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.