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Finding the Fourth Proportional to 651,696.60, 977,544.90 and 533,501.40

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Solution

The fourth proportional to 651,696.60, 977,544.90 and 533,501.40 is: 800,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,696.60 : 977,544.90 = 533,501.40 : x
  2. Step 2: Convert to fraction form
    651,696.60/977,544.90 = 533,501.40/x
  3. Step 3: Cross multiply
    651,696.60x = 977,544.90 × 533,501.40
  4. Step 4: Simplify right side
    651,696.60x = 521,521,572,712.86
  5. Step 5: Solve for x
    x = 521,521,572,712.86/651,696.60
  6. Step 6: Final answer
    x = 800,252.10

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Double scale
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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.