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Finding the Fourth Proportional to 615,598.63, 924,799.17 and 445,345.47

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Solution

The fourth proportional to 615,598.63, 924,799.17 and 445,345.47 is: 669,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,598.63 : 924,799.17 = 445,345.47 : x
  2. Step 2: Convert to fraction form
    615,598.63/924,799.17 = 445,345.47/x
  3. Step 3: Cross multiply
    615,598.63x = 924,799.17 × 445,345.47
  4. Step 4: Simplify right side
    615,598.63x = 411,855,122,689.31
  5. Step 5: Solve for x
    x = 411,855,122,689.31/615,598.63
  6. Step 6: Final answer
    x = 669,031.91

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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.