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Finding the Fourth Proportional to 924,281, 1,386,421.50 and 333,305

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Solution

The fourth proportional to 924,281, 1,386,421.50 and 333,305 is: 499,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,281 : 1,386,421.50 = 333,305 : x
  2. Step 2: Convert to fraction form
    924,281/1,386,421.50 = 333,305/x
  3. Step 3: Cross multiply
    924,281x = 1,386,421.50 × 333,305
  4. Step 4: Simplify right side
    924,281x = 462,101,218,057.50
  5. Step 5: Solve for x
    x = 462,101,218,057.50/924,281
  6. Step 6: Final answer
    x = 499,957.50

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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.