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Finding the Fourth Proportional to 654,332.60, 902,970.18 and 367,852.61

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Solution

The fourth proportional to 654,332.60, 902,970.18 and 367,852.61 is: 507,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,332.60 : 902,970.18 = 367,852.61 : x
  2. Step 2: Convert to fraction form
    654,332.60/902,970.18 = 367,852.61/x
  3. Step 3: Cross multiply
    654,332.60x = 902,970.18 × 367,852.61
  4. Step 4: Simplify right side
    654,332.60x = 332,159,937,465.17
  5. Step 5: Solve for x
    x = 332,159,937,465.17/654,332.60
  6. Step 6: Final answer
    x = 507,631.65

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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.