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Finding the Fourth Proportional to 556,252.76, 767,621.40 and 301,598.48

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Solution

The fourth proportional to 556,252.76, 767,621.40 and 301,598.48 is: 416,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,252.76 : 767,621.40 = 301,598.48 : x
  2. Step 2: Convert to fraction form
    556,252.76/767,621.40 = 301,598.48/x
  3. Step 3: Cross multiply
    556,252.76x = 767,621.40 × 301,598.48
  4. Step 4: Simplify right side
    556,252.76x = 231,513,447,455.47
  5. Step 5: Solve for x
    x = 231,513,447,455.47/556,252.76
  6. Step 6: Final answer
    x = 416,201.89

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1.5x scale

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.