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Finding the Fourth Proportional to 615,397.32, 920,668.41 and 466,068.96

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Solution

The fourth proportional to 615,397.32, 920,668.41 and 466,068.96 is: 697,264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,397.32 : 920,668.41 = 466,068.96 : x
  2. Step 2: Convert to fraction form
    615,397.32/920,668.41 = 466,068.96/x
  3. Step 3: Cross multiply
    615,397.32x = 920,668.41 × 466,068.96
  4. Step 4: Simplify right side
    615,397.32x = 429,094,968,353.55
  5. Step 5: Solve for x
    x = 429,094,968,353.55/615,397.32
  6. Step 6: Final answer
    x = 697,264.93

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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.