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Finding the Fourth Proportional to 346,353.16, 477,975.48 and 193,386.18

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Solution

The fourth proportional to 346,353.16, 477,975.48 and 193,386.18 is: 266,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,353.16 : 477,975.48 = 193,386.18 : x
  2. Step 2: Convert to fraction form
    346,353.16/477,975.48 = 193,386.18/x
  3. Step 3: Cross multiply
    346,353.16x = 477,975.48 × 193,386.18
  4. Step 4: Simplify right side
    346,353.16x = 92,433,852,210.87
  5. Step 5: Solve for x
    x = 92,433,852,210.87/346,353.16
  6. Step 6: Final answer
    x = 266,877.46

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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.