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Finding the Fourth Proportional to 899,967.84, 1,241,910 and 497,482.08

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Solution

The fourth proportional to 899,967.84, 1,241,910 and 497,482.08 is: 686,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,967.84 : 1,241,910 = 497,482.08 : x
  2. Step 2: Convert to fraction form
    899,967.84/1,241,910 = 497,482.08/x
  3. Step 3: Cross multiply
    899,967.84x = 1,241,910 × 497,482.08
  4. Step 4: Simplify right side
    899,967.84x = 617,827,969,972.80
  5. Step 5: Solve for x
    x = 617,827,969,972.80/899,967.84
  6. Step 6: Final answer
    x = 686,500.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.