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Finding the Fourth Proportional to 670,178.84, 924,856.15 and 364,255.13

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Solution

The fourth proportional to 670,178.84, 924,856.15 and 364,255.13 is: 502,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,178.84 : 924,856.15 = 364,255.13 : x
  2. Step 2: Convert to fraction form
    670,178.84/924,856.15 = 364,255.13/x
  3. Step 3: Cross multiply
    670,178.84x = 924,856.15 × 364,255.13
  4. Step 4: Simplify right side
    670,178.84x = 336,883,595,056.18
  5. Step 5: Solve for x
    x = 336,883,595,056.18/670,178.84
  6. Step 6: Final answer
    x = 502,677.16

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1.5x scale

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.