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Finding the Fourth Proportional to 564,981.60, 847,472.40 and 525,615.60

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Solution

The fourth proportional to 564,981.60, 847,472.40 and 525,615.60 is: 788,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,981.60 : 847,472.40 = 525,615.60 : x
  2. Step 2: Convert to fraction form
    564,981.60/847,472.40 = 525,615.60/x
  3. Step 3: Cross multiply
    564,981.60x = 847,472.40 × 525,615.60
  4. Step 4: Simplify right side
    564,981.60x = 445,444,714,009.44
  5. Step 5: Solve for x
    x = 445,444,714,009.44/564,981.60
  6. Step 6: Final answer
    x = 788,423.40

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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.