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Finding the Fourth Proportional to 616,303.80, 924,455.70 and 521,825.40

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Solution

The fourth proportional to 616,303.80, 924,455.70 and 521,825.40 is: 782,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,303.80 : 924,455.70 = 521,825.40 : x
  2. Step 2: Convert to fraction form
    616,303.80/924,455.70 = 521,825.40/x
  3. Step 3: Cross multiply
    616,303.80x = 924,455.70 × 521,825.40
  4. Step 4: Simplify right side
    616,303.80x = 482,404,465,434.78
  5. Step 5: Solve for x
    x = 482,404,465,434.78/616,303.80
  6. Step 6: Final answer
    x = 782,738.10

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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.