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Finding the Fourth Proportional to 423,330.93, 584,196.71 and 253,663.29

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Solution

The fourth proportional to 423,330.93, 584,196.71 and 253,663.29 is: 350,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,330.93 : 584,196.71 = 253,663.29 : x
  2. Step 2: Convert to fraction form
    423,330.93/584,196.71 = 253,663.29/x
  3. Step 3: Cross multiply
    423,330.93x = 584,196.71 × 253,663.29
  4. Step 4: Simplify right side
    423,330.93x = 148,189,258,197.46
  5. Step 5: Solve for x
    x = 148,189,258,197.46/423,330.93
  6. Step 6: Final answer
    x = 350,055.35

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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.