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Finding the Fourth Proportional to 546,931.70, 818,965.47 and 439,746.02

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Solution

The fourth proportional to 546,931.70, 818,965.47 and 439,746.02 is: 658,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,931.70 : 818,965.47 = 439,746.02 : x
  2. Step 2: Convert to fraction form
    546,931.70/818,965.47 = 439,746.02/x
  3. Step 3: Cross multiply
    546,931.70x = 818,965.47 × 439,746.02
  4. Step 4: Simplify right side
    546,931.70x = 360,136,805,949.93
  5. Step 5: Solve for x
    x = 360,136,805,949.93/546,931.70
  6. Step 6: Final answer
    x = 658,467.60

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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.