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Finding the Fourth Proportional to 616,205.40, 924,308.10 and 172,973.40

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Solution

The fourth proportional to 616,205.40, 924,308.10 and 172,973.40 is: 259,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,205.40 : 924,308.10 = 172,973.40 : x
  2. Step 2: Convert to fraction form
    616,205.40/924,308.10 = 172,973.40/x
  3. Step 3: Cross multiply
    616,205.40x = 924,308.10 × 172,973.40
  4. Step 4: Simplify right side
    616,205.40x = 159,880,714,704.54
  5. Step 5: Solve for x
    x = 159,880,714,704.54/616,205.40
  6. Step 6: Final answer
    x = 259,460.10

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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.