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Finding the Fourth Proportional to 591,878.40, 816,742.80 and 333,740.76

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Solution

The fourth proportional to 591,878.40, 816,742.80 and 333,740.76 is: 460,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,878.40 : 816,742.80 = 333,740.76 : x
  2. Step 2: Convert to fraction form
    591,878.40/816,742.80 = 333,740.76/x
  3. Step 3: Cross multiply
    591,878.40x = 816,742.80 × 333,740.76
  4. Step 4: Simplify right side
    591,878.40x = 272,580,362,796.53
  5. Step 5: Solve for x
    x = 272,580,362,796.53/591,878.40
  6. Step 6: Final answer
    x = 460,534.40

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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.