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Finding the Fourth Proportional to 614,994.12, 848,672.64 and 360,514.80

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Solution

The fourth proportional to 614,994.12, 848,672.64 and 360,514.80 is: 497,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,994.12 : 848,672.64 = 360,514.80 : x
  2. Step 2: Convert to fraction form
    614,994.12/848,672.64 = 360,514.80/x
  3. Step 3: Cross multiply
    614,994.12x = 848,672.64 × 360,514.80
  4. Step 4: Simplify right side
    614,994.12x = 305,959,047,075.07
  5. Step 5: Solve for x
    x = 305,959,047,075.07/614,994.12
  6. Step 6: Final answer
    x = 497,499.14

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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.