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Finding the Fourth Proportional to 586,205.20, 879,307.80 and 546,839.20

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Solution

The fourth proportional to 586,205.20, 879,307.80 and 546,839.20 is: 820,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,205.20 : 879,307.80 = 546,839.20 : x
  2. Step 2: Convert to fraction form
    586,205.20/879,307.80 = 546,839.20/x
  3. Step 3: Cross multiply
    586,205.20x = 879,307.80 × 546,839.20
  4. Step 4: Simplify right side
    586,205.20x = 480,839,973,905.76
  5. Step 5: Solve for x
    x = 480,839,973,905.76/586,205.20
  6. Step 6: Final answer
    x = 820,258.80

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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.