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Finding the Fourth Proportional to 669,598, 924,405.10 and 516,300.24

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Solution

The fourth proportional to 669,598, 924,405.10 and 516,300.24 is: 712,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,598 : 924,405.10 = 516,300.24 : x
  2. Step 2: Convert to fraction form
    669,598/924,405.10 = 516,300.24/x
  3. Step 3: Cross multiply
    669,598x = 924,405.10 × 516,300.24
  4. Step 4: Simplify right side
    669,598x = 477,270,574,987.22
  5. Step 5: Solve for x
    x = 477,270,574,987.22/669,598
  6. Step 6: Final answer
    x = 712,771.80

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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.