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Finding the Fourth Proportional to 620,526.54, 856,326.15 and 352,254.54

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Solution

The fourth proportional to 620,526.54, 856,326.15 and 352,254.54 is: 486,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,526.54 : 856,326.15 = 352,254.54 : x
  2. Step 2: Convert to fraction form
    620,526.54/856,326.15 = 352,254.54/x
  3. Step 3: Cross multiply
    620,526.54x = 856,326.15 × 352,254.54
  4. Step 4: Simplify right side
    620,526.54x = 301,644,774,058.22
  5. Step 5: Solve for x
    x = 301,644,774,058.22/620,526.54
  6. Step 6: Final answer
    x = 486,111.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.