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Finding the Fourth Proportional to 546,848.60, 820,272.90 and 525,853.40

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Solution

The fourth proportional to 546,848.60, 820,272.90 and 525,853.40 is: 788,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,848.60 : 820,272.90 = 525,853.40 : x
  2. Step 2: Convert to fraction form
    546,848.60/820,272.90 = 525,853.40/x
  3. Step 3: Cross multiply
    546,848.60x = 820,272.90 × 525,853.40
  4. Step 4: Simplify right side
    546,848.60x = 431,343,293,392.86
  5. Step 5: Solve for x
    x = 431,343,293,392.86/546,848.60
  6. Step 6: Final answer
    x = 788,780.10

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1.5x scale

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.