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Finding the Fourth Proportional to 670,011.04, 924,621 and 364,087.36

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Solution

The fourth proportional to 670,011.04, 924,621 and 364,087.36 is: 502,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,011.04 : 924,621 = 364,087.36 : x
  2. Step 2: Convert to fraction form
    670,011.04/924,621 = 364,087.36/x
  3. Step 3: Cross multiply
    670,011.04x = 924,621 × 364,087.36
  4. Step 4: Simplify right side
    670,011.04x = 336,642,818,890.56
  5. Step 5: Solve for x
    x = 336,642,818,890.56/670,011.04
  6. Step 6: Final answer
    x = 502,443.69

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Similar ratio
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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.