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Finding the Fourth Proportional to 566,886.64, 782,303.53 and 312,237.83

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Solution

The fourth proportional to 566,886.64, 782,303.53 and 312,237.83 is: 430,888.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,886.64 : 782,303.53 = 312,237.83 : x
  2. Step 2: Convert to fraction form
    566,886.64/782,303.53 = 312,237.83/x
  3. Step 3: Cross multiply
    566,886.64x = 782,303.53 × 312,237.83
  4. Step 4: Simplify right side
    566,886.64x = 244,264,752,697.02
  5. Step 5: Solve for x
    x = 244,264,752,697.02/566,886.64
  6. Step 6: Final answer
    x = 430,888.18

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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.