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Finding the Fourth Proportional to 338,315.40, 507,602.70 and 333,001.80

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Solution

The fourth proportional to 338,315.40, 507,602.70 and 333,001.80 is: 499,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,315.40 : 507,602.70 = 333,001.80 : x
  2. Step 2: Convert to fraction form
    338,315.40/507,602.70 = 333,001.80/x
  3. Step 3: Cross multiply
    338,315.40x = 507,602.70 × 333,001.80
  4. Step 4: Simplify right side
    338,315.40x = 169,032,612,784.86
  5. Step 5: Solve for x
    x = 169,032,612,784.86/338,315.40
  6. Step 6: Final answer
    x = 499,630.26

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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.