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Finding the Fourth Proportional to 616,030.40, 924,045.60 and 491,614.40

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Solution

The fourth proportional to 616,030.40, 924,045.60 and 491,614.40 is: 737,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,030.40 : 924,045.60 = 491,614.40 : x
  2. Step 2: Convert to fraction form
    616,030.40/924,045.60 = 491,614.40/x
  3. Step 3: Cross multiply
    616,030.40x = 924,045.60 × 491,614.40
  4. Step 4: Simplify right side
    616,030.40x = 454,274,123,216.64
  5. Step 5: Solve for x
    x = 454,274,123,216.64/616,030.40
  6. Step 6: Final answer
    x = 737,421.60

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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.