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Finding the Fourth Proportional to 651,813.80, 976,554.30 and 558,501.80

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Solution

The fourth proportional to 651,813.80, 976,554.30 and 558,501.80 is: 836,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,813.80 : 976,554.30 = 558,501.80 : x
  2. Step 2: Convert to fraction form
    651,813.80/976,554.30 = 558,501.80/x
  3. Step 3: Cross multiply
    651,813.80x = 976,554.30 × 558,501.80
  4. Step 4: Simplify right side
    651,813.80x = 545,407,334,347.74
  5. Step 5: Solve for x
    x = 545,407,334,347.74/651,813.80
  6. Step 6: Final answer
    x = 836,753.28

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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.