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Finding the Fourth Proportional to 651,677.52, 898,995.40 and 565,515.57

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Solution

The fourth proportional to 651,677.52, 898,995.40 and 565,515.57 is: 780,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,677.52 : 898,995.40 = 565,515.57 : x
  2. Step 2: Convert to fraction form
    651,677.52/898,995.40 = 565,515.57/x
  3. Step 3: Cross multiply
    651,677.52x = 898,995.40 × 565,515.57
  4. Step 4: Simplify right side
    651,677.52x = 508,395,896,058.38
  5. Step 5: Solve for x
    x = 508,395,896,058.38/651,677.52
  6. Step 6: Final answer
    x = 780,134.16

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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.