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Finding the Fourth Proportional to 506,726.55, 699,290.82 and 277,303.77

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Solution

The fourth proportional to 506,726.55, 699,290.82 and 277,303.77 is: 382,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,726.55 : 699,290.82 = 277,303.77 : x
  2. Step 2: Convert to fraction form
    506,726.55/699,290.82 = 277,303.77/x
  3. Step 3: Cross multiply
    506,726.55x = 699,290.82 × 277,303.77
  4. Step 4: Simplify right side
    506,726.55x = 193,915,980,712.39
  5. Step 5: Solve for x
    x = 193,915,980,712.39/506,726.55
  6. Step 6: Final answer
    x = 382,683.68

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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.