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Finding the Fourth Proportional to 616,108.40, 924,191.40 and 195,417.20

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Solution

The fourth proportional to 616,108.40, 924,191.40 and 195,417.20 is: 293,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,108.40 : 924,191.40 = 195,417.20 : x
  2. Step 2: Convert to fraction form
    616,108.40/924,191.40 = 195,417.20/x
  3. Step 3: Cross multiply
    616,108.40x = 924,191.40 × 195,417.20
  4. Step 4: Simplify right side
    616,108.40x = 180,602,895,652.08
  5. Step 5: Solve for x
    x = 180,602,895,652.08/616,108.40
  6. Step 6: Final answer
    x = 293,134.93

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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.