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Finding the Fourth Proportional to 660,681.41, 909,546.32 and 592,580.53

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Solution

The fourth proportional to 660,681.41, 909,546.32 and 592,580.53 is: 815,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,681.41 : 909,546.32 = 592,580.53 : x
  2. Step 2: Convert to fraction form
    660,681.41/909,546.32 = 592,580.53/x
  3. Step 3: Cross multiply
    660,681.41x = 909,546.32 × 592,580.53
  4. Step 4: Simplify right side
    660,681.41x = 538,979,435,128.38
  5. Step 5: Solve for x
    x = 538,979,435,128.38/660,681.41
  6. Step 6: Final answer
    x = 815,793.26

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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.