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Finding the Fourth Proportional to 543,885.98, 750,670.07 and 347,526.86

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Solution

The fourth proportional to 543,885.98, 750,670.07 and 347,526.86 is: 479,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,885.98 : 750,670.07 = 347,526.86 : x
  2. Step 2: Convert to fraction form
    543,885.98/750,670.07 = 347,526.86/x
  3. Step 3: Cross multiply
    543,885.98x = 750,670.07 × 347,526.86
  4. Step 4: Simplify right side
    543,885.98x = 260,878,006,832.10
  5. Step 5: Solve for x
    x = 260,878,006,832.10/543,885.98
  6. Step 6: Final answer
    x = 479,655.70

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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.