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Finding the Fourth Proportional to 662,070, 913,656.60 and 360,266.16

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Solution

The fourth proportional to 662,070, 913,656.60 and 360,266.16 is: 497,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,070 : 913,656.60 = 360,266.16 : x
  2. Step 2: Convert to fraction form
    662,070/913,656.60 = 360,266.16/x
  3. Step 3: Cross multiply
    662,070x = 913,656.60 × 360,266.16
  4. Step 4: Simplify right side
    662,070x = 329,159,554,840.66
  5. Step 5: Solve for x
    x = 329,159,554,840.66/662,070
  6. Step 6: Final answer
    x = 497,167.30

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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.