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Finding the Fourth Proportional to 573,089.20, 859,633.80 and 307,368.70

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Solution

The fourth proportional to 573,089.20, 859,633.80 and 307,368.70 is: 461,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,089.20 : 859,633.80 = 307,368.70 : x
  2. Step 2: Convert to fraction form
    573,089.20/859,633.80 = 307,368.70/x
  3. Step 3: Cross multiply
    573,089.20x = 859,633.80 × 307,368.70
  4. Step 4: Simplify right side
    573,089.20x = 264,224,523,582.06
  5. Step 5: Solve for x
    x = 264,224,523,582.06/573,089.20
  6. Step 6: Final answer
    x = 461,053.05

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Similar ratio
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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.