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Finding the Fourth Proportional to 207,303.89, 310,332.89 and 185,649.45

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Solution

The fourth proportional to 207,303.89, 310,332.89 and 185,649.45 is: 277,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,303.89 : 310,332.89 = 185,649.45 : x
  2. Step 2: Convert to fraction form
    207,303.89/310,332.89 = 185,649.45/x
  3. Step 3: Cross multiply
    207,303.89x = 310,332.89 × 185,649.45
  4. Step 4: Simplify right side
    207,303.89x = 57,613,130,345.41
  5. Step 5: Solve for x
    x = 57,613,130,345.41/207,303.89
  6. Step 6: Final answer
    x = 277,916.30

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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.