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Finding the Fourth Proportional to 623,041.15, 936,512.54 and 411,170.58

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Solution

The fourth proportional to 623,041.15, 936,512.54 and 411,170.58 is: 618,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,041.15 : 936,512.54 = 411,170.58 : x
  2. Step 2: Convert to fraction form
    623,041.15/936,512.54 = 411,170.58/x
  3. Step 3: Cross multiply
    623,041.15x = 936,512.54 × 411,170.58
  4. Step 4: Simplify right side
    623,041.15x = 385,066,399,566.51
  5. Step 5: Solve for x
    x = 385,066,399,566.51/623,041.15
  6. Step 6: Final answer
    x = 618,043.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.