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Finding the Fourth Proportional to 551,462.54, 760,824.51 and 360,587.66

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Solution

The fourth proportional to 551,462.54, 760,824.51 and 360,587.66 is: 497,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,462.54 : 760,824.51 = 360,587.66 : x
  2. Step 2: Convert to fraction form
    551,462.54/760,824.51 = 360,587.66/x
  3. Step 3: Cross multiply
    551,462.54x = 760,824.51 × 360,587.66
  4. Step 4: Simplify right side
    551,462.54x = 274,343,929,731.55
  5. Step 5: Solve for x
    x = 274,343,929,731.55/551,462.54
  6. Step 6: Final answer
    x = 497,484.25

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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.