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Finding the Fourth Proportional to 634,596.63, 875,738.59 and 348,114.81

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Solution

The fourth proportional to 634,596.63, 875,738.59 and 348,114.81 is: 480,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,596.63 : 875,738.59 = 348,114.81 : x
  2. Step 2: Convert to fraction form
    634,596.63/875,738.59 = 348,114.81/x
  3. Step 3: Cross multiply
    634,596.63x = 875,738.59 × 348,114.81
  4. Step 4: Simplify right side
    634,596.63x = 304,857,575,281.25
  5. Step 5: Solve for x
    x = 304,857,575,281.25/634,596.63
  6. Step 6: Final answer
    x = 480,395.83

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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.