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Finding the Fourth Proportional to 575,730.40, 804,972.80 and 575,730.40

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Solution

The fourth proportional to 575,730.40, 804,972.80 and 575,730.40 is: 804,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,730.40 : 804,972.80 = 575,730.40 : x
  2. Step 2: Convert to fraction form
    575,730.40/804,972.80 = 575,730.40/x
  3. Step 3: Cross multiply
    575,730.40x = 804,972.80 × 575,730.40
  4. Step 4: Simplify right side
    575,730.40x = 463,447,312,133.12
  5. Step 5: Solve for x
    x = 463,447,312,133.12/575,730.40
  6. Step 6: Final answer
    x = 804,972.80

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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.