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Finding the Fourth Proportional to 632,886.66, 873,384.65 and 346,424.90

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Solution

The fourth proportional to 632,886.66, 873,384.65 and 346,424.90 is: 478,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,886.66 : 873,384.65 = 346,424.90 : x
  2. Step 2: Convert to fraction form
    632,886.66/873,384.65 = 346,424.90/x
  3. Step 3: Cross multiply
    632,886.66x = 873,384.65 × 346,424.90
  4. Step 4: Simplify right side
    632,886.66x = 302,562,183,938.74
  5. Step 5: Solve for x
    x = 302,562,183,938.74/632,886.66
  6. Step 6: Final answer
    x = 478,066.93

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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.