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Finding the Fourth Proportional to 615,497.99, 924,870.65 and 331,398.59

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Solution

The fourth proportional to 615,497.99, 924,870.65 and 331,398.59 is: 497,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,497.99 : 924,870.65 = 331,398.59 : x
  2. Step 2: Convert to fraction form
    615,497.99/924,870.65 = 331,398.59/x
  3. Step 3: Cross multiply
    615,497.99x = 924,870.65 × 331,398.59
  4. Step 4: Simplify right side
    615,497.99x = 306,500,827,685.39
  5. Step 5: Solve for x
    x = 306,500,827,685.39/615,497.99
  6. Step 6: Final answer
    x = 497,972.10

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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.