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Finding the Fourth Proportional to 601,890,492.60, 840,924,820.80 and 601,890,492.60

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Solution

The fourth proportional to 601,890,492.60, 840,924,820.80 and 601,890,492.60 is: 840,924,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,890,492.60 : 840,924,820.80 = 601,890,492.60 : x
  2. Step 2: Convert to fraction form
    601,890,492.60/840,924,820.80 = 601,890,492.60/x
  3. Step 3: Cross multiply
    601,890,492.60x = 840,924,820.80 × 601,890,492.60
  4. Step 4: Simplify right side
    601,890,492.60x = 506,144,654,630,878,720
  5. Step 5: Solve for x
    x = 506,144,654,630,878,720/601,890,492.60
  6. Step 6: Final answer
    x = 840,924,820.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.