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Finding the Fourth Proportional to 450,002.74, 621,023.07 and 246,041.50

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Solution

The fourth proportional to 450,002.74, 621,023.07 and 246,041.50 is: 339,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,002.74 : 621,023.07 = 246,041.50 : x
  2. Step 2: Convert to fraction form
    450,002.74/621,023.07 = 246,041.50/x
  3. Step 3: Cross multiply
    450,002.74x = 621,023.07 × 246,041.50
  4. Step 4: Simplify right side
    450,002.74x = 152,797,447,677.41
  5. Step 5: Solve for x
    x = 152,797,447,677.41/450,002.74
  6. Step 6: Final answer
    x = 339,547.82

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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.