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Finding the Fourth Proportional to 655,848.80, 983,773.40 and 506,307.40

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Solution

The fourth proportional to 655,848.80, 983,773.40 and 506,307.40 is: 759,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,848.80 : 983,773.40 = 506,307.40 : x
  2. Step 2: Convert to fraction form
    655,848.80/983,773.40 = 506,307.40/x
  3. Step 3: Cross multiply
    655,848.80x = 983,773.40 × 506,307.40
  4. Step 4: Simplify right side
    655,848.80x = 498,091,752,343.16
  5. Step 5: Solve for x
    x = 498,091,752,343.16/655,848.80
  6. Step 6: Final answer
    x = 759,461.25

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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.