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Finding the Fourth Proportional to 616,280.40, 924,420.60 and 547,851.60

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Solution

The fourth proportional to 616,280.40, 924,420.60 and 547,851.60 is: 821,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,280.40 : 924,420.60 = 547,851.60 : x
  2. Step 2: Convert to fraction form
    616,280.40/924,420.60 = 547,851.60/x
  3. Step 3: Cross multiply
    616,280.40x = 924,420.60 × 547,851.60
  4. Step 4: Simplify right side
    616,280.40x = 506,445,304,782.96
  5. Step 5: Solve for x
    x = 506,445,304,782.96/616,280.40
  6. Step 6: Final answer
    x = 821,777.40

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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.