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Finding the Fourth Proportional to 478,851.95, 660,807.82 and 264,012.01

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Solution

The fourth proportional to 478,851.95, 660,807.82 and 264,012.01 is: 364,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,851.95 : 660,807.82 = 264,012.01 : x
  2. Step 2: Convert to fraction form
    478,851.95/660,807.82 = 264,012.01/x
  3. Step 3: Cross multiply
    478,851.95x = 660,807.82 × 264,012.01
  4. Step 4: Simplify right side
    478,851.95x = 174,461,199,459.91
  5. Step 5: Solve for x
    x = 174,461,199,459.91/478,851.95
  6. Step 6: Final answer
    x = 364,332.23

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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.