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Finding the Fourth Proportional to 480,751.96, 663,437.64 and 262,962.40

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Solution

The fourth proportional to 480,751.96, 663,437.64 and 262,962.40 is: 362,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,751.96 : 663,437.64 = 262,962.40 : x
  2. Step 2: Convert to fraction form
    480,751.96/663,437.64 = 262,962.40/x
  3. Step 3: Cross multiply
    480,751.96x = 663,437.64 × 262,962.40
  4. Step 4: Simplify right side
    480,751.96x = 174,459,154,064.74
  5. Step 5: Solve for x
    x = 174,459,154,064.74/480,751.96
  6. Step 6: Final answer
    x = 362,888.08

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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.