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Finding the Fourth Proportional to 575,423.40, 804,543 and 575,423.40

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Solution

The fourth proportional to 575,423.40, 804,543 and 575,423.40 is: 804,543

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,423.40 : 804,543 = 575,423.40 : x
  2. Step 2: Convert to fraction form
    575,423.40/804,543 = 575,423.40/x
  3. Step 3: Cross multiply
    575,423.40x = 804,543 × 575,423.40
  4. Step 4: Simplify right side
    575,423.40x = 462,952,868,506.20
  5. Step 5: Solve for x
    x = 462,952,868,506.20/575,423.40
  6. Step 6: Final answer
    x = 804,543

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.