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Finding the Fourth Proportional to 450,434.68, 621,594.48 and 246,483.40

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Solution

The fourth proportional to 450,434.68, 621,594.48 and 246,483.40 is: 340,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,434.68 : 621,594.48 = 246,483.40 : x
  2. Step 2: Convert to fraction form
    450,434.68/621,594.48 = 246,483.40/x
  3. Step 3: Cross multiply
    450,434.68x = 621,594.48 × 246,483.40
  4. Step 4: Simplify right side
    450,434.68x = 153,212,720,851.63
  5. Step 5: Solve for x
    x = 153,212,720,851.63/450,434.68
  6. Step 6: Final answer
    x = 340,144.15

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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.