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Finding the Fourth Proportional to 922,478.46, 1,382,762.69 and 448,575

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Solution

The fourth proportional to 922,478.46, 1,382,762.69 and 448,575 is: 672,398.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,478.46 : 1,382,762.69 = 448,575 : x
  2. Step 2: Convert to fraction form
    922,478.46/1,382,762.69 = 448,575/x
  3. Step 3: Cross multiply
    922,478.46x = 1,382,762.69 × 448,575
  4. Step 4: Simplify right side
    922,478.46x = 620,272,773,666.75
  5. Step 5: Solve for x
    x = 620,272,773,666.75/922,478.46
  6. Step 6: Final answer
    x = 672,398.11

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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.