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Finding the Fourth Proportional to 623,364.10, 932,713.35 and 413,412.10

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Solution

The fourth proportional to 623,364.10, 932,713.35 and 413,412.10 is: 618,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,364.10 : 932,713.35 = 413,412.10 : x
  2. Step 2: Convert to fraction form
    623,364.10/932,713.35 = 413,412.10/x
  3. Step 3: Cross multiply
    623,364.10x = 932,713.35 × 413,412.10
  4. Step 4: Simplify right side
    623,364.10x = 385,594,984,721.54
  5. Step 5: Solve for x
    x = 385,594,984,721.54/623,364.10
  6. Step 6: Final answer
    x = 618,571.05

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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.