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Finding the Fourth Proportional to 651,522.80, 976,117.80 and 558,210.80

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Solution

The fourth proportional to 651,522.80, 976,117.80 and 558,210.80 is: 836,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,522.80 : 976,117.80 = 558,210.80 : x
  2. Step 2: Convert to fraction form
    651,522.80/976,117.80 = 558,210.80/x
  3. Step 3: Cross multiply
    651,522.80x = 976,117.80 × 558,210.80
  4. Step 4: Simplify right side
    651,522.80x = 544,879,498,032.24
  5. Step 5: Solve for x
    x = 544,879,498,032.24/651,522.80
  6. Step 6: Final answer
    x = 836,316.85

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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.