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Finding the Fourth Proportional to 556,254, 767,630.52 and 301,605.12

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Solution

The fourth proportional to 556,254, 767,630.52 and 301,605.12 is: 416,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,254 : 767,630.52 = 301,605.12 : x
  2. Step 2: Convert to fraction form
    556,254/767,630.52 = 301,605.12/x
  3. Step 3: Cross multiply
    556,254x = 767,630.52 × 301,605.12
  4. Step 4: Simplify right side
    556,254x = 231,521,295,100.26
  5. Step 5: Solve for x
    x = 231,521,295,100.26/556,254
  6. Step 6: Final answer
    x = 416,215.07

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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.