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Finding the Fourth Proportional to 605,613.10, 906,670.05 and 369,417.10

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Solution

The fourth proportional to 605,613.10, 906,670.05 and 369,417.10 is: 553,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,613.10 : 906,670.05 = 369,417.10 : x
  2. Step 2: Convert to fraction form
    605,613.10/906,670.05 = 369,417.10/x
  3. Step 3: Cross multiply
    605,613.10x = 906,670.05 × 369,417.10
  4. Step 4: Simplify right side
    605,613.10x = 334,939,420,527.86
  5. Step 5: Solve for x
    x = 334,939,420,527.86/605,613.10
  6. Step 6: Final answer
    x = 553,058.41

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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.