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Finding the Fourth Proportional to 614,307.58, 921,586.65 and 348,186.94

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Solution

The fourth proportional to 614,307.58, 921,586.65 and 348,186.94 is: 522,351.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,307.58 : 921,586.65 = 348,186.94 : x
  2. Step 2: Convert to fraction form
    614,307.58/921,586.65 = 348,186.94/x
  3. Step 3: Cross multiply
    614,307.58x = 921,586.65 × 348,186.94
  4. Step 4: Simplify right side
    614,307.58x = 320,884,435,608.35
  5. Step 5: Solve for x
    x = 320,884,435,608.35/614,307.58
  6. Step 6: Final answer
    x = 522,351.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.