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Finding the Fourth Proportional to 556,064.70, 767,348.70 and 301,410.42

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Solution

The fourth proportional to 556,064.70, 767,348.70 and 301,410.42 is: 415,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,064.70 : 767,348.70 = 301,410.42 : x
  2. Step 2: Convert to fraction form
    556,064.70/767,348.70 = 301,410.42/x
  3. Step 3: Cross multiply
    556,064.70x = 767,348.70 × 301,410.42
  4. Step 4: Simplify right side
    556,064.70x = 231,286,893,953.45
  5. Step 5: Solve for x
    x = 231,286,893,953.45/556,064.70
  6. Step 6: Final answer
    x = 415,935.22

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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.