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Finding the Fourth Proportional to 606,688.70, 908,477.85 and 448,058.30

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Solution

The fourth proportional to 606,688.70, 908,477.85 and 448,058.30 is: 670,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,688.70 : 908,477.85 = 448,058.30 : x
  2. Step 2: Convert to fraction form
    606,688.70/908,477.85 = 448,058.30/x
  3. Step 3: Cross multiply
    606,688.70x = 908,477.85 × 448,058.30
  4. Step 4: Simplify right side
    606,688.70x = 407,051,041,058.66
  5. Step 5: Solve for x
    x = 407,051,041,058.66/606,688.70
  6. Step 6: Final answer
    x = 670,938.89

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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.