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Finding the Fourth Proportional to 573,547.55, 790,327.93 and 443,697.12

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Solution

The fourth proportional to 573,547.55, 790,327.93 and 443,697.12 is: 611,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,547.55 : 790,327.93 = 443,697.12 : x
  2. Step 2: Convert to fraction form
    573,547.55/790,327.93 = 443,697.12/x
  3. Step 3: Cross multiply
    573,547.55x = 790,327.93 × 443,697.12
  4. Step 4: Simplify right side
    573,547.55x = 350,666,229,082.98
  5. Step 5: Solve for x
    x = 350,666,229,082.98/573,547.55
  6. Step 6: Final answer
    x = 611,398.71

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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.