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Finding the Fourth Proportional to 651,641.20, 977,461.80 and 593,904.40

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Solution

The fourth proportional to 651,641.20, 977,461.80 and 593,904.40 is: 890,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,641.20 : 977,461.80 = 593,904.40 : x
  2. Step 2: Convert to fraction form
    651,641.20/977,461.80 = 593,904.40/x
  3. Step 3: Cross multiply
    651,641.20x = 977,461.80 × 593,904.40
  4. Step 4: Simplify right side
    651,641.20x = 580,518,863,851.92
  5. Step 5: Solve for x
    x = 580,518,863,851.92/651,641.20
  6. Step 6: Final answer
    x = 890,856.60

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Double scale
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Similar ratio
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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.