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Finding the Fourth Proportional to 650,691.60, 897,973.56 and 364,210.80

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Solution

The fourth proportional to 650,691.60, 897,973.56 and 364,210.80 is: 502,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,691.60 : 897,973.56 = 364,210.80 : x
  2. Step 2: Convert to fraction form
    650,691.60/897,973.56 = 364,210.80/x
  3. Step 3: Cross multiply
    650,691.60x = 897,973.56 × 364,210.80
  4. Step 4: Simplify right side
    650,691.60x = 327,051,668,666.45
  5. Step 5: Solve for x
    x = 327,051,668,666.45/650,691.60
  6. Step 6: Final answer
    x = 502,621.62

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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.