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Finding the Fourth Proportional to 575,407.44, 794,155.80 and 346,196.40

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Solution

The fourth proportional to 575,407.44, 794,155.80 and 346,196.40 is: 477,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,407.44 : 794,155.80 = 346,196.40 : x
  2. Step 2: Convert to fraction form
    575,407.44/794,155.80 = 346,196.40/x
  3. Step 3: Cross multiply
    575,407.44x = 794,155.80 × 346,196.40
  4. Step 4: Simplify right side
    575,407.44x = 274,933,878,999.12
  5. Step 5: Solve for x
    x = 274,933,878,999.12/575,407.44
  6. Step 6: Final answer
    x = 477,807.31

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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.