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Finding the Fourth Proportional to 360,661.74, 497,750.18 and 207,705.66

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Solution

The fourth proportional to 360,661.74, 497,750.18 and 207,705.66 is: 286,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,661.74 : 497,750.18 = 207,705.66 : x
  2. Step 2: Convert to fraction form
    360,661.74/497,750.18 = 207,705.66/x
  3. Step 3: Cross multiply
    360,661.74x = 497,750.18 × 207,705.66
  4. Step 4: Simplify right side
    360,661.74x = 103,385,528,613.49
  5. Step 5: Solve for x
    x = 103,385,528,613.49/360,661.74
  6. Step 6: Final answer
    x = 286,655.10

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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.